ST72F321R6TC STMicroelectronics, ST72F321R6TC Datasheet - Page 50
![IC MCU 8BIT 32K FLASH 64-TQFP](/photos/6/76/67655/497-64-tqfp_sml.jpg)
ST72F321R6TC
Manufacturer Part Number
ST72F321R6TC
Description
IC MCU 8BIT 32K FLASH 64-TQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F321AR7T6.pdf
(193 pages)
Specifications of ST72F321R6TC
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 ~ 125°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72F321R6TC
Manufacturer:
STMicroelectronics
Quantity:
10 000
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ST72321Rx ST72321ARx ST72321Jx
I/O PORTS (Cont’d)
9.5.1 I/O Port Implementation
The I/O port register configurations are summa-
rised as follows.
Standard Ports
PA5:4, PC7:0, PD7:0, PE7:3,
PE1:0, PF7:3,
Interrupt Ports
PA2:0, PB6:5, PB4, PB2:0, PF1:0 (with pull-up)
Table 12. Port Configuration
50/193
floating input
pull-up input
open drain output
push-pull output
floating input
pull-up interrupt input
open drain output
push-pull output
Port A
Port B
Port C
Port D
Port E
Port F
Port
MODE
MODE
PA7:6
PA5:4
PA3
PA2:0
PB7, PB3
PB6:5, PB4,
PB2:0
PC7:0
PD7:0
PE7:3, PE1:0
PE2 (Flash de-
vices)
PE2 (ROM de-
vices)
PF7:3
PF2
PF1:0
Pin name
DDR
DDR
0
0
1
1
0
1
1
0
OR = 0
floating
floating
floating
floating
floating
floating
floating
floating
floating
floating
floating
floating
OR
OR
0
1
0
1
0
1
0
1
floating
Input
floating interrupt
floating interrupt
floating interrupt
pull-up interrupt
pull-up interrupt
pull-up interrupt
PA3, PB7, PB3, PF2 (without pull-up)
True Open Drain Ports
PA7:6
Pull-Up Input Port PE2
OR = 1
floating input
floating interrupt input
open drain output
push-pull output
floating input
open drain (high sink ports)
floating
pull-up
pull-up
pull-up
pull-up
pull-up
pull-up input only
MODE
MODE
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
OR = 0
pull-up input
MODE
true open-drain
Output
DDR
0
0
1
1
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
OR = 1
DDR
OR
0
1
0
1
0
1
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