CHAPTER 19 STANDBY FUNCTION
User’s Manual U16896EJ2V0UD
586
Table 19-8. Operation Status in Subclock Operation Mode
Operation Status
Setting of Subclock
Operation Mode
Item
When Main Clock Is Oscillating
When Main Clock Is Stopped
CPU Operable
ROM correction
Operable
Subclock oscillator
Oscillation enabled
Internal oscillator (f
R
) Operable
Interrupt controller
Operable
16-bit timer (TMP0)
Operable
Stops operation
16-bit timer (TM01)
Operable
Operable when INTWT is selected as
count clock and f
XT
is selected as count
clock of WT
8-bit timers (TM50, TM51)
Operable
•
Operable when TI5m is selected as
count clock
•
Operable when INTTM010 is selected as
count clock and when TM01 is enabled
in subclock operation mode
Timer H (TMH0)
Operable
Stops operation
Timer H (TMH1)
Operable
Operable when f
R
/2048 is selected as count
clock
Watch timer
Operable
Operable when f
XT
is selected as count clock
Watchdog timer 1
Stops operation
Watchdog timer 2
Operable
CSI00, CSI01
Operable
Operable when SCK0m input clock is
selected as operation clock
I
2
C0
Note
Operable
Stops
operation
UART0
Operable
Operable when ASCK0 is selected as
count clock
Serial interface
UART1 Operable
Stops
operation
Key interrupt function
Operable
A/D converter
Operable
Stops operation
Real-time output
Operable
Operable when INTTM5m is selected as
real-time output trigger and TM5m is
enabled in subclock operation mode
Clock monitor (CLM)
Operable
Stops operation
Power-on-clear (POC)
Operable
Low-voltage detection (LVI)
Operable
Port function
Settable
Internal data
Settable
Note
Only in the
μ
PD703302Y, 70F3302Y
Remark
m = 0, 1
<R>