STMicroelectronics ST72F321AR6TA Microcontroller, Microprocessor, FPGA Modules
ST7 ST7 Microcontroller IC 8-Bit 8MHz 32KB (32K x 8) FLASH
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ST72F321AR6TA
Detailed Description
IC MCU 8BIT 32KB FLASH 64LQFP
Package
64-LQFP
Key Features
Package / Case: 64-LQFP; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
ST72F321AR6TA Datasheet
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Technical Specifications
STMicroelectronics ST72F321AR6TA Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
ST7
RAM Size
1K x 8
Package / Case
64-LQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
3.8V ~ 5.5V
Lifecycle Status
Obsolete
Peripherals
LVD, POR, PWM, WDT
Number of I/O
48
Speed
8MHz
Related Parts Comparison (ST72F321AR6TA vs ST72F521R6TA vs STM32F405RGT6W vs STM32L100RBT6ATR)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 64-LQFP | 64-LQFP | 64-LQFP | 64-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 3.8V ~ 5.5V | 3.8V ~ 5.5V | 1.8V ~ 3.6V | 1.8V ~ 3.6V |
| Core Processor | ST7 | ST7 | ARM® Cortex®-M4 | ARM® Cortex®-M3 |
| Core Size | 8-Bit | 8-Bit | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 1K x 8 | 1K x 8 | 192K x 8 | 16K x 8 |
| Lifecycle Status | Obsolete | Obsolete | Active | Active |
| Connectivity | I²C, SCI, SPI | CANbus, I²C, SCI, SPI | CANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB OTG | I²C, SPI, UART/USART, USB |
| Data Converters | A/D 16x10b | A/D 16x10b | A/D 16x12b; D/A 2x12b | A/D 20x12b; D/A 2x12b |
| Number of I/O | 48 | 48 | 51 | 51 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC908AP32ACFAENXP SemiconductorsNXP
IC MCU 8BIT 32KB FLASH 48LQFP
MC908GR32AMFUENXP SemiconductorsNXP
IC MCU 8BIT 32KB FLASH 64QFP
MC908GP32CFBENXP SemiconductorsNXP
IC MCU 8BIT 32KB FLASH 44QFP
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