ST72321R6-Auto STMicroelectronics, ST72321R6-Auto Datasheet - Page 64
ST72321R6-Auto
Manufacturer Part Number
ST72321R6-Auto
Description
8-bit MCU for automotive with 32 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
Manufacturer
STMicroelectronics
Datasheet
1.ST72321R9-AUTO.pdf
(243 pages)
Specifications of ST72321R6-Auto
Hdflash Endurance
100 cycles, data retention 20 years
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
4 Power Saving Modes
Halt, Active Halt, Wait and Slow
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Power saving modes
64/243
Figure 24. Wait mode flowchart
1. Before servicing an interrupt, the CC register is pushed on the stack. The I[1:0] bits of the CC register are
set to the current software priority level of the interrupt routine and recovered when the CC register is
popped.
N
WFI INSTRUCTION
INTERRUPT
Doc ID 13829 Rev 1
Y
256 OR 4096 CPU CLOCK
OSCILLATOR
PERIPHERALS
CPU
OSCILLATOR
PERIPHERALS
CPU
OSCILLATOR
PERIPHERALS
CPU
OR SERVICE INTERRUPT
I[1:0] BITS
I[1:0] BITS
I[1:0] BITS
N
FETCH RESET VECTOR
CYCLE DELAY
Y
RESET
ON
ON
ON
XX
OFF
OFF
ON
ON
ON
ON
10
10
(1)
ST72321xx-Auto
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