Operations In Standby Mode - Fujitsu F2MC-8L F202RA Hardware Manual

3.7.1

Operations in Standby Mode

This section describes CPU and peripheral function operation in standby mode.
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Operations in Standby Mode
Table 3.7-1 Operations of the CPU and Peripheral Functions in Standby Mode
Function
Clock
Instruction
CPU ROM
RAM
I/O port
Time-base timer
Watchdog timer
8-bit PWM timer/counter
8/16-bit capture timer/counter
Peripheral
UART
function
8-bit serial I/O
12-bit PPG
Buzzer
External interrupt 1 and 2
A/D converter
● State of pins in standby mode
The state of most I/O pins can remain the same as those set immediately before transition to stop mode or
set to Hi-Z using the pin state setting bit in the standby control register (STBC: SPL), regardless of clock
mode.
Note:
For details on pin states in standby mode, see "APPENDIX E Pin State of the MB89202/F202RA
Series ".
RUN Sleep
Active Active
Active Stopped
Active Holding
Active Holding
Active Active
Active Stopped
Active Active
Active Active
Active Active
Active Active
Active Active
Active Active
Active Active
Active Active
CHAPTER 3 CPU
Stop Stop
(SPL=0) (SPL=1)
Stopped Stopped
Stopped Stopped
Holding Holding
Holding Hi-Z
Stopped Stopped
Stopped Stopped
Stopped Stopped
Stopped Stopped
Stopped Stopped
Stopped Stopped
Stopped Stopped
Stopped Stopped
Active Active
Stopped Stopped
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