upd75112 Renesas Electronics Corporation., upd75112 Datasheet - Page 26

• Manufacturer Part Number: upd75112
• Description: 4-bit Single Chip-microcomputer
• Manufacturer: Renesas Electronics Corporation.

26
7. Stanby Functions
Two types of standby modes (STOP and HALT modes)
are available for the
consumption during standby for program.
Table 7-1 Operation Statuses in Standby Mode
Set instruction
Operation
status
Release signal
PD75112, 75116
Clock generator
Basic interval timer
Serial interface
Timer/event counter
Clock output circuit
CPU
PD75116 to decrease power
STOP instruction
Clock oscillation stop
Operation stop
Operation enabled only when external SCK
input and TO0 clock are set for serial clocks
(when timer/event counter 0 is set to external
TI0 input) is selected
Operation enabled only when TIn pin input is
specified for the count clock
Operation stop
Operation stop
Interrupt request signal enabled by interrupt enable flag or RESET input
STOP Mode
HALT instruction
Only CPU clock
Operation (IRQBT set at reference time
intervals)
Operation enabled when aclock other than
Operation enabled
Clock other than CPU clock
output
Operation stop
is specified for the serial clock
HALT Mode
stop
enabled for