ST7232AK2-Auto STMicroelectronics, ST7232AK2-Auto Datasheet - Page 67

• Manufacturer Part Number: ST7232AK2-Auto
• Description: 8-bit MCU for automotive, 16 Kbyte Flash, 10-bit ADC, 4 timers, SPI, SCI
• Manufacturer: STMicroelectronics

Specifications of ST7232AK2-Auto

• Hdflash Endurance: 100 cycles, data retention
• Clock Sources: crystal/ceramic resonator oscillators and bypass for external clock
• Four Power Saving Modes: halt, active halt, wait and slow
• Main Clock Controller With: real time base, beep and clock-out capabilities
• Two 16-bit Timers With: 2 input captures, 2 output compares, PWM and pulse generator modes

ST7232Axx-Auto
9.4
9.5
Interrupts
Table 20.
Low power modes
Table 21.
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 22.
Wait
Halt
External interrupt on selected
external event
Port A
Port B
Port C
Port D
Port E
Port F
Port
Mode
Interrupt event
Port register configurations
Effect of low power modes on I/O ports
I/O interrupt control/wake-up capability
Pin name
PC[7:0]
PD[5:0]
PB[2:0]
PE[1:0]
PF[7:6]
PF[1:0]
PA[7:6]
PA[5:4]
PB[3]
PB[4]
PF[4]
PF[2]
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.
PA[3]
Floating
OR = 0
Event flag Enable control bit
Input (DDR = 0)
-
Floating
Floating interrupt
Floating interrupt
Pull-up interrupt
Pull-up interrupt
OR = 1
Pull-up
Pull-up
DDRx
Description
ORx
Exit from wait
Open drain
OR = 0
Output (DDR = 1)
True open-drain
Yes
Exit from halt
Push-pull
OR = 1
I/O ports
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