ST72321M9 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST72321M9

80-pin 8-bit MCU with 32 to 60 Kbytes Flash, ADC, five timers, SPI, SCI, I2C interface

STMicroelectronics 

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ST72321M6 ST72321M9

SYSTEM INTEGRITY MANAGEMENT (Cont’d)

6.4.3 Low Power Modes

Mode

WAIT

HALT

Description

No effect on SI. AVD interrupts cause the

device to exit from Wait mode.

The CRSR register is frozen.

6.4.3.1 Interrupts

The AVD interrupt event generates an interrupt if

the corresponding Enable Control Bit (AVDIE) is

set and the interrupt mask in the CC register is re-

set (RIM instruction).

Interrupt Event

AVD event

Event

Flag

Enable

Control

Bit

Exit

from

Wait

AVDF AVDIE Yes

Exit

from

Halt

No

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