ST72F321AR6T6 STMicroelectronics, ST72F321AR6T6 Datasheet - Page 7

• Manufacturer Part Number: ST72F321AR6T6
• Description: MCU 8BIT 32KB FLASH 64TQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F321AR6T6

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 48
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Processor Series: ST72F3x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 1024 B
• Interface Type: I2C, SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 48
• Number Of Timers: 5
• Operating Supply Voltage: 3.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST7F521-IND/USB, ST7232X-EVAL, ST7MDT20-DVP3, ST7MDT20J-EMU3, ST7MDT20M-EMU3, STX-RLINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-4842

1 DESCRIPTION
The ST72F321 Flash and ST72321 ROM devices
are members of the ST7 microcontroller family de-
signed for mid-range applications.
All devices are based on a common industry-
standard 8-bit core, featuring an enhanced instruc-
tion set and are available with Flash or ROM pro-
gram memory. The ST7 family architecture offers
both power and flexibility to software developers,
enabling the design of highly efficient and compact
application code.
Figure 1. Device Block Diagram
RESET
OSC1
OSC2
V
(8-bits)
(8-bits)
PF7:0
V
(8-bits)
PD7:0
PE7:0
AREF
EVD
V
V
V
TLI
SSA
DD
SS
PP
MCC/RTC/BEEP
8-BIT CORE
10-BIT ADC
CONTROL
TIMER A
PORT E
PORT D
PORT F
BEEP
OSC
ALU
LVD
AVD
SCI
The on-chip peripherals include an A/D converter,
a PWM Autoreload timer, 2 general purpose tim-
ers, I
For power economy, microcontroller can switch
dynamically into WAIT, SLOW, ACTIVE-HALT or
HALT mode when the application is in idle or
stand-by state.
Typical applications are consumer, home, office
and industrial products.
Related Documentation
AN1131: Migrating applications from ST72511/
311/314 to ST72521/321/324
2
C bus, SPI interface and an SCI interface.
ST72321Rx ST72321ARx ST72321Jx
(1024 - 2048 Bytes)
(32K - 60K Bytes)
WATCHDOG
PROGRAM
PWM ART
MEMORY
TIMER B
PORT A
PORT B
PORT C
RAM
I2C
SPI
(8-bits)
(8-bits)
(8-bits)
PA7:0
PB7:0
PC7:0
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