Renesas 7700 FAMILY User Manual page 262

11.2 Operation description
When the WIT instruction is executed,
state is called "Wait mode."
In Wait mode, the microcomputer's power consumption is reduced though the Vcc, power source voltage,
is maintained.
Table 11.2.1 lists the microcomputer state and operation in and after Wait mode.
Table 11.2.1 Microcomputer state and operation in and after Wait mode
Item
State in Oscillation
Wait mode ,
CPU BIU
Clock ,
Wf /Wf
32 64
Timer A
Timer B
Serial I/O
A-D converter
Watchdog timer
Pins
By interrupt request
Operation
occurrence
after termi-
By hardware reset
nating Wait
mode
CPU
Operating
Stopped
, f /f to f /f , Operating
1 2 4 512 1024
, Wf /Wf
512 1024
Operating
Retains the same state in which the WIT instruction was executed
Supply of
Operates in the same way as hardware reset
7751 Group User's Manual
and stop. The oscillator's oscillation is not stopped. This
BIU
State and Operation
and starts just after the termination.
CPU BIU
WAIT MODE
11.2 Operation description
11–3