UPD75216ACW

Manufacturer Part NumberUPD75216ACW
Description4-BIT SINGLE-CHIP MICROCOMPUTER
ManufacturerNEC
UPD75216ACW datasheet
 


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Page 30/72:

STANDBY FUNCTIONS

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7. STANDBY FUNCTIONS
Two standby modes (STOP mode and HALT mode) are available for the
consumption in the program standby mode.
Table 7-1 Operation Status in Standby Mode
Set instruction
STOP instruction
System clock when set
Setting enabled only with main system
clock.
Oscillation stops only with main system
Clock oscillator
clock.
Basic interval timer
Operation stopped.
Operation enabled only when external
Serial interface
SCK input is selected for serial clock.
Timer/event counter
Operation enabled only when TI0 pin
input is specified for count clock.
Timer/pulse generator
Operation stopped.
Watch timer
Operation enabled only f
count clock.
Operation disabled (display off mode set before disabling).
FIP controller/driver
Operation stopped.
CPU
Interrupt request signal (except INT0, INT1, INT2) enabled by interrupt enable flag
Release signal
or RESET input.
30
PD75216A to decrease power
STOP Mode
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
is specified.
Operation enabled.
Operation enabled.
is selected for
Operation enabled.
XT
PD75216A
HALT Mode
(Oscillation