Microcontrollers

Results: 1,494
Series
STM32F0STM32F1STM32F2STM32F3STM32F4STM32F7STM32G0STM32G4STM32H7STM32L0STM32L1STM32L4STM32L5
Packaging
Cut Tape (CT)Digi-Reel®Tape & Reel (TR)TrayTube
Product Status
ActiveNot For New Designs
DigiKey Programmable
Not VerifiedVerified
Core Processor
ARM® Cortex®-M0ARM® Cortex®-M0+ARM® Cortex®-M3ARM® Cortex®-M33ARM® Cortex®-M4ARM® Cortex®-M4/M7ARM® Cortex®-M4FARM® Cortex®-M7
Core Size
32-Bit Dual-Core32-Bit Single-Core
Speed
24MHz32MHz36MHz48MHz64MHz72MHz80MHz84MHz100MHz110MHz120MHz168MHz170MHz180MHz
Connectivity
CANbus, DCMI, EBI/EMI, Ethernet, I2C, IrDA, LINbus, SPI, UART/USART, USB OTGCANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, MDIO, MMC/SD/SDIO, QSPI, SAI, SPDIF, SPI, SWPMI, UART/USART, USB OTGCANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, MMC/SD/SDIO, QSPI, SAI, SPDIF, SPI, UART/USART, USB OTGCANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, SAI, SD, SPDIF-Rx, SPI, UART/USART, USB OTGCANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, SAI, SDIO, SPI, UART/USART, USB, USB OTGCANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, SPI, UART/USART, USB OTGCANbus, EBI/EMI, HDMI-CEC, I2C, IrDA, LINbus, MDIO, MMC/SD/SDIO, SAI, SPDIF, SPI, SWPMI, UART/USART, USB OTGCANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USARTCANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB OTGCANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USBCANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USB OTGCANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, SAI, SPI, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, Cap Sense, DMA, I2S, LCD, POR, PWM, WDTBrown-out Detect/Reset, Cap Sense, DMA, I2S, POR, PWM, WDTBrown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDTBrown-out Detect/Reset, DMA, I2S, LVD, POR, PWM, WDTBrown-out Detect/Reset, DMA, I2S, POR, PWM, Temp Sensor, WDTBrown-out Detect/Reset, DMA, I2S, POR, PWM, WDTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT, (External SMPS Required)Brown-out Detect/Reset, DMA, LCD, PWM, WDTBrown-out Detect/Reset, DMA, LCD, PWM, WDT, (External SMPS Required)Brown-out Detect/Reset, DMA, POR, PWM, WDTBrown-out Detect/Reset, DMA, POR, PWM, WDT, (External SMPS Required)
Number of I/O
6911141516171819202123
Program Memory Size
8KB (8K x 8)16KB (16K x 8)32KB (32K x 8)64KB (64K x 8)128KB (128K x 8)192KB (192K x 8)256KB (256K x 8)384KB (384K x 8)512KB (512K x 8)768KB (768K x 8)1MB (1M x 8)1.5MB (1.5M x 8)2MB (2M x 8)
EEPROM Size
128 x 8256 x 8512 x 81K x 82K x 83K x 84K x 86K x 88K x 812K x 816K x 8-
RAM Size
2K x 84K x 86K x 88K x 810K x 812K x 816K x 820K x 824K x 832K x 836K x 840K x 8
Voltage - Supply (Vcc/Vdd)
1.62V ~ 3.6V1.65V ~ 1.95V, 1.65V ~ 3.6V1.65V ~ 3.6V1.7V ~ 3.6V1.71V ~ 3.6V1.8V ~ 3.6V2V ~ 3.6V2.4V ~ 3.6V
Data Converters
A/D 10x12bA/D 10x12b; D/A 1x12bA/D 10x12b; D/A 2x12bA/D 11x12bA/D 11x12b; D/A 1x12bA/D 11x12b; D/A 2x12bA/D 11x12b; D/A 4x12bA/D 12x12bA/D 12x12b; D/A 2x12bA/D 13x12bA/D 13x12b; D/A 1x12bA/D 13x12b; D/A 2x12b
Oscillator Type
External, InternalInternal
Operating Temperature
-40°C ~ 105°C (TA)-40°C ~ 125°C (TA)-40°C ~ 85°C (TA)
Supplier Device Package
8-SOIC14-TSSOP20-TSSOP20-UFQFPN (3x3)25-WLCSP25-WLCSP (2.3x2.48)28-UFQFPN (4x4)32-LQFP (7x7)32-UFQFPN (5x5)36-VFQFPN (6x6)36-WLCSP48-LQFP (7x7)
Package / Case
8-SOIC (0.154", 3.90mm Width)14-TSSOP (0.173", 4.40mm Width)20-TSSOP (0.173", 4.40mm Width)20-UFQFN25-UFBGA, WLCSP28-UFQFN28-UFQFN Exposed Pad32-LQFP32-UFQFN Exposed Pad36-UFBGA, WLCSP36-VFQFN Exposed Pad48-LQFP
Stocking Options
Environmental Options
Media
Marketplace Product
1,494Results

Showing
of 1,494
Mfr Part #
Quantity Available
Price
Series
Package
Product Status
DigiKey Programmable
Core Processor
Core Size
Speed
Connectivity
Peripherals
Number of I/O
Program Memory Size
Program Memory Type
EEPROM Size
RAM Size
Voltage - Supply (Vcc/Vdd)
Data Converters
Oscillator Type
Operating Temperature
Grade
Qualification
Mounting Type
Supplier Device Package
Package / Case
497~5B_ME_V2~T~48
STM32L010C6T6
IC MCU 32BIT 32KB FLASH 48LQFP
STMicroelectronics
24,213
In Stock
1 : £1.19000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, SPI, UART/USART
Brown-out Detect/Reset, DMA, POR, PWM, WDT
38
32KB (32K x 8)
FLASH
256 x 8
8K x 8
1.8V ~ 3.6V
A/D 10x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
48-LQFP (7x7)
48-LQFP
20-TSSOP
STM32F030F4P6TR
IC MCU 32BIT 16KB FLASH 20TSSOP
STMicroelectronics
34,890
In Stock
1 : £1.20000
Cut Tape (CT)
2,500 : £0.53394
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
ARM® Cortex®-M0
32-Bit Single-Core
48MHz
I2C, SPI, UART/USART
DMA, POR, PWM, WDT
15
16KB (16K x 8)
FLASH
-
4K x 8
2.4V ~ 3.6V
A/D 11x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
20-TSSOP
20-TSSOP (0.173", 4.40mm Width)
20-TSSOP
STM32F030F4P6
IC MCU 32BIT 16KB FLASH 20TSSOP
STMicroelectronics
15,852
In Stock
1 : £1.20000
Tube
Tube
Active
Not Verified
ARM® Cortex®-M0
32-Bit Single-Core
48MHz
I2C, SPI, UART/USART
DMA, POR, PWM, WDT
15
16KB (16K x 8)
FLASH
-
4K x 8
2.4V ~ 3.6V
A/D 11x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
-
20-TSSOP (0.173", 4.40mm Width)
32-LQFP
STM32F030K6T6TR
IC MCU 32BIT 32KB FLASH 32LQFP
STMicroelectronics
18,064
In Stock
1 : £1.44000
Cut Tape (CT)
2,400 : £0.65263
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
ARM® Cortex®-M0
32-Bit Single-Core
48MHz
I2C, SPI, UART/USART
DMA, POR, PWM, WDT
26
32KB (32K x 8)
FLASH
-
4K x 8
2.4V ~ 3.6V
A/D 12x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
32-LQFP (7x7)
32-LQFP
20-UFQFPN
STM32L011F4U6TR
IC MCU 32BIT 16KB FLASH 20UFQFPN
STMicroelectronics
21,865
In Stock
1 : £1.47000
Cut Tape (CT)
3,000 : £0.73860
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, SPI, UART/USART
Brown-out Detect/Reset, DMA, POR, PWM, WDT
16
16KB (16K x 8)
FLASH
512 x 8
2K x 8
1.65V ~ 3.6V
A/D 7x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
20-UFQFPN (3x3)
20-UFQFN
497~5B_ME_V2~T~48
STM32G070CBT6
IC MCU 32BIT 128KB FLASH 48LQFP
STMicroelectronics
35,910
In Stock
1 : £1.61000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
64MHz
I2C, IrDA, LINbus, SPI, SmartCard, UART/USART
DMA, I2S, POR, PWM, WDT
43
128KB (128K x 8)
FLASH
-
36K x 8
2V ~ 3.6V
A/D 17x12b
External, Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
48-LQFP (7x7)
48-LQFP
497~5B_ME_V2~T~48
STM32F030C6T6TR
IC MCU 32BIT 32KB FLASH 48LQFP
STMicroelectronics
6,232
In Stock
1 : £1.63000
Cut Tape (CT)
2,400 : £0.83435
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
ARM® Cortex®-M0
32-Bit Single-Core
48MHz
I2C, SPI, UART/USART
DMA, POR, PWM, WDT
39
32KB (32K x 8)
FLASH
-
4K x 8
2.4V ~ 3.6V
A/D 12x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
48-LQFP (7x7)
48-LQFP
20-UFQFPN
STM32L011F4U3TR
IC MCU 32BIT 16KB FLASH 20UFQFPN
STMicroelectronics
360
In Stock
1 : £1.66000
Cut Tape (CT)
3,000 : £0.84675
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, SPI, UART/USART
Brown-out Detect/Reset, DMA, POR, PWM, WDT
16
16KB (16K x 8)
FLASH
512 x 8
2K x 8
1.65V ~ 3.6V
A/D 7x12b
Internal
-40°C ~ 125°C (TA)
-
-
Surface Mount
20-UFQFPN (3x3)
20-UFQFN
25-WLCSP
STM32L031E6Y6TR
IC MCU 32BIT 32KB FLASH 25WLCSP
STMicroelectronics
9,245
In Stock
1 : £1.69000
Cut Tape (CT)
5,000 : £0.84794
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, LINbus, SPI, UART/USART
Brown-out Detect/Reset, DMA, POR, PWM, WDT
20
32KB (32K x 8)
FLASH
1K x 8
8K x 8
1.8V ~ 3.6V
A/D 10x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
25-WLCSP
25-UFBGA, WLCSP
28 UFQFN
STM32G031G8U6
IC MCU 32BIT 64KB FLASH 28UFQFPN
STMicroelectronics
392
In Stock
1 : £1.74000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
64MHz
I2C, IrDA, LINbus, SPI, SmartCard, UART/USART
Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
26
64KB (64K x 8)
FLASH
-
8K x 8
1.7V ~ 3.6V
A/D 17x12b SAR
External, Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
28-UFQFPN (4x4)
28-UFQFN
20 TSSOP
STM32L031F4P3
IC MCU 32BIT 16KB FLASH 20TSSOP
STMicroelectronics
849
In Stock
1 : £1.77000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, LINbus, SPI, UART/USART
Brown-out Detect/Reset, DMA, POR, PWM, WDT
15
16KB (16K x 8)
FLASH
1K x 8
8K x 8
1.8V ~ 3.6V
A/D 10x12b
Internal
-40°C ~ 125°C (TA)
-
-
Surface Mount
20-TSSOP
20-TSSOP (0.173", 4.40mm Width)
497~5B_ME_V2~T~48
STM32F030C8T6
IC MCU 32BIT 64KB FLASH 48LQFP
STMicroelectronics
17,096
In Stock
1 : £1.93000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M0
32-Bit Single-Core
48MHz
I2C, SPI, UART/USART
DMA, POR, PWM, WDT
39
64KB (64K x 8)
FLASH
-
8K x 8
2.4V ~ 3.6V
A/D 12x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
48-LQFP (7x7)
48-LQFP
497~5B_ME_V2~T~48
STM32F030C8T6TR
IC MCU 32BIT 64KB FLASH 48LQFP
STMicroelectronics
16,496
In Stock
1 : £1.93000
Cut Tape (CT)
2,400 : £1.00545
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
ARM® Cortex®-M0
32-Bit Single-Core
48MHz
I2C, SPI, UART/USART
DMA, POR, PWM, WDT
39
64KB (64K x 8)
FLASH
-
8K x 8
2.4V ~ 3.6V
A/D 12x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
48-LQFP (7x7)
48-LQFP
32 QFN
STM32L031K6U6TR
IC MCU 32BIT 32KB FLASH 32UFQFPN
STMicroelectronics
10,342
In Stock
1 : £2.00000
Cut Tape (CT)
3,000 : £0.94563
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, LINbus, SPI, UART/USART
Brown-out Detect/Reset, DMA, POR, PWM, WDT
27
32KB (32K x 8)
FLASH
1K x 8
8K x 8
1.8V ~ 3.6V
A/D 10x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
32-UFQFPN (5x5)
32-UFQFN Exposed Pad
64-LQFP
STM32F030R8T6
IC MCU 32BIT 64KB FLASH 64LQFP
STMicroelectronics
109,822
In Stock
1 : £2.01000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M0
32-Bit Single-Core
48MHz
I2C, SPI, UART/USART
DMA, POR, PWM, WDT
55
64KB (64K x 8)
FLASH
-
8K x 8
2.4V ~ 3.6V
A/D 18x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
-
64-LQFP
48-LQFP
STM32L051C8T6
IC MCU 32BIT 64KB FLASH 48LQFP
STMicroelectronics
11,879
In Stock
1 : £2.03000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, SPI, UART/USART
Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
37
64KB (64K x 8)
FLASH
2K x 8
8K x 8
1.65V ~ 3.6V
A/D 10x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
48-LQFP (7x7)
48-LQFP
64 LQFP
STM32G070RBT6
IC MCU 32BIT 128KB FLASH 64LQFP
STMicroelectronics
1,542
In Stock
1 : £2.08000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
64MHz
I2C, IrDA, LINbus, SPI, SmartCard, UART/USART
DMA, I2S, POR, PWM, WDT
59
128KB (128K x 8)
FLASH
-
36K x 8
2V ~ 3.6V
A/D 19x12b
External, Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
64-LQFP (10x10)
64-LQFP
32-LQFP
STM32L031K6T7
IC MCU 32BIT 32KB FLASH 32LQFP
STMicroelectronics
863
In Stock
1 : £2.25000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, LINbus, SPI, UART/USART
Brown-out Detect/Reset, DMA, POR, PWM, WDT
25
32KB (32K x 8)
FLASH
1K x 8
8K x 8
1.8V ~ 3.6V
A/D 10x12b
Internal
-40°C ~ 105°C (TA)
-
-
Surface Mount
32-LQFP (7x7)
32-LQFP
48-LQFP
STM32L051C6T6
IC MCU 32BIT 32KB FLASH 48LQFP
STMicroelectronics
820
In Stock
1 : £2.38000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, SPI, UART/USART
Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
37
32KB (32K x 8)
FLASH
2K x 8
8K x 8
1.65V ~ 3.6V
A/D 10x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
48-LQFP (7x7)
48-LQFP
48-LQFP
STM32L053C8T6
IC MCU 32BIT 64KB FLASH 48LQFP
STMicroelectronics
15,110
In Stock
1 : £2.39000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, SPI, UART/USART, USB
Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
37
64KB (64K x 8)
FLASH
2K x 8
8K x 8
1.65V ~ 3.6V
A/D 10x12b; D/A 1x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
48-LQFP (7x7)
48-LQFP
28-UFQFPN
STM32G071GBU6
IC MCU 32BIT 128KB FLSH 28UFQFPN
STMicroelectronics
1,709
In Stock
1 : £2.45000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
64MHz
HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART, USB Type-C™ (Power Delivery)
Brown-out Detect/Reset, DMA, I2S, POR, PWM, Temp Sensor, WDT
26
128KB (128K x 8)
FLASH
-
36K x 8
1.71V ~ 3.6V
A/D 12x12b; D/A 2x12b
External, Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
28-UFQFPN (4x4)
28-UFQFN
32-LQFP
STM32L051K8T6TR
IC MCU 32BIT 64KB FLASH 32LQFP
STMicroelectronics
16,741
In Stock
1 : £2.46000
Cut Tape (CT)
2,400 : £1.31013
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, SPI, UART/USART
Brown-out Detect/Reset, DMA, POR, PWM, WDT
27
64KB (64K x 8)
FLASH
2K x 8
8K x 8
1.65V ~ 3.6V
A/D 10x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
32-LQFP (7x7)
32-LQFP
497~5B_ME_V2~T~48
STM32L051C8T6TR
IC MCU 32BIT 64KB FLASH 48LQFP
STMicroelectronics
12,330
In Stock
1 : £2.54000
Cut Tape (CT)
2,400 : £1.35453
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, SPI, UART/USART
Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
37
64KB (64K x 8)
FLASH
2K x 8
8K x 8
1.65V ~ 3.6V
A/D 10x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
48-LQFP (7x7)
48-LQFP
497~5B_ME_V2~T~48
STM32F100C4T6B
IC MCU 32BIT 16KB FLASH 48LQFP
STMicroelectronics
15,499
In Stock
1 : £2.57000
Tray
Tray
Active
Not Verified
ARM® Cortex®-M3
32-Bit Single-Core
24MHz
I2C, IrDA, LINbus, SPI, UART/USART
DMA, PDR, POR, PVD, PWM, Temp Sensor, WDT
37
16KB (16K x 8)
FLASH
-
4K x 8
2V ~ 3.6V
A/D 10x12b; D/A 2x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
48-LQFP (7x7)
48-LQFP
32 QFN
STM32L052K8U6TR
IC MCU 32BIT 64KB FLASH 32UFQFPN
STMicroelectronics
3,199
In Stock
1 : £2.61000
Cut Tape (CT)
3,000 : £1.27555
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
ARM® Cortex®-M0+
32-Bit Single-Core
32MHz
I2C, IrDA, SPI, UART/USART, USB
Brown-out Detect/Reset, DMA, POR, PWM, WDT
27
64KB (64K x 8)
FLASH
2K x 8
8K x 8
1.65V ~ 3.6V
A/D 10x12b; D/A 1x12b
Internal
-40°C ~ 85°C (TA)
-
-
Surface Mount
32-UFQFPN (5x5)
32-UFQFN Exposed Pad
Showing
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Microcontrollers


Microcontroller products are relatively complex, user-programmable digital logic devices. Closely related to devices considered microprocessors, the distinction between the two reduces largely to the manufacturer's choice of noun, though by tradition microcontrollers integrate working memory, are more likely to incorporate mixed-signal peripherals and tend to be used with simpler software paradigms oriented toward repetitive execution of a predefined series of tasks.