upd75212a Renesas Electronics Corporation., upd75212a Datasheet - Page 30

• Manufacturer Part Number: upd75212a
• Description: 4-bit Single-chip Microcomputer
• Manufacturer: Renesas Electronics Corporation.

30
7. STANDBY FUNCTIONS
consumption in the program standby mode.
Set instruction
System clock when set
Release signal
Two standby modes (STOP mode and HALT mode) are available for the
Clock oscillator
Basic interval timer
Serial interface
Timer/event counter
Timer/pulse generator
Watch timer
FIP controller/driver
CPU
Table 7-1 Operation Status in Standby Mode
STOP instruction
Setting enabled only with main system
clock.
Oscillation stops only with main system
clock.
Operation stopped.
Operation enabled only when external
SCK input is selected for serial clock.
Operation enabled only when TI0 pin
input is specified for count clock.
Operation stopped.
Operation enabled only f
count clock.
Interrupt request signal (except INT0, INT1, INT2) enabled by interrupt enable flag
or RESET input.
Operation disabled (display off mode set before disabling).
Operation stopped.
STOP Mode
XT
is selected for
HALT instruction
Setting enabled with either main system
clock or subsystem clock.
Stops only with CPU clock
continued).
Operation (IRQBT set at reference time
intervals).
Operation enabled when serial clock other
than
Operation enabled.
Operation enabled.
Operation enabled.
is specified.
PD75212A to decrease power
HALT Mode
(Oscillation
PD75212A