ST72325R6-AUTO STMicroelectronics, ST72325R6-AUTO Datasheet - Page 84

• Manufacturer Part Number: ST72325R6-AUTO
• Description: 8-bit Mcu For Automotive With 16 To 60 Kbyte Flash, Adc, Css, 5 Timers, Spi, Sci, I2c Interface
• Manufacturer: STMicroelectronics

I/O ports
9.4
9.5
84/250
Table 31.
1. Pull-up is always enabled leading to unwanted power consumption if output is tied to low level
Low power modes
Table 32.
Interrupts
The external interrupt event generates an interrupt if the corresponding configuration is
selected with DDR and OR registers and the interrupt mask in the CC register is not active
(RIM instruction).
Table 33.
Table 34.
Port C PC7:0
Port D PD7:0
External interrupt on selected
external event
0000h
0001h
0002h
Port B
Port E
Port F
Reset value of all I/O port registers
Port
Address (Hex.)
Mode
Wait
Halt
PB7, PB3
PB6:5, PB4, PB2:0
PE7:3, PE1:0
PE2
PF7:3
PF2
PF1:0
Interrupt event
Pin name
I/O port configuration (continued)
Effect of low power modes on I/O ports
I/O port interrupt control/wake-up capability
I/O port register map and reset values
No effect on I/O ports. External interrupts cause the device to exit from Wait mode.
No effect on I/O ports. External interrupts cause the device to exit from Halt mode.
PADR
PADDR
PAOR
Register label
OR = 0
floating
floating
floating
floating
floating
floating
floating
floating
Input (DDR = 0)
MSB
Event flag
7
0
pull-up
-
floating interrupt
floating interrupt
pull-up interrupt
pull-up interrupt
6
0
OR = 1
pull-up
pull-up
pull-up
pull-up
Effect
DDRx, ORx
control bit
5
0
Enable
4
0
open-drain
open-drain
open-drain
open-drain
open-drain
open-drain
open-drain
open-drain
open-drain
OR = 0
Exit from
3
0
Output (DDR = 1)
Wait
Yes
(1)
ST72325xxx-Auto
2
0
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
Exit from
OR = 1
1
0
Halt
Yes
LSB
(1)
0
0