參數(shù)資料
型號(hào)： UPD75312A
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述： 4位單片機(jī)
文件頁(yè)數(shù)： 33/62頁(yè)
文件大小： 577K
代理商： UPD75312A
μ
PD75312(A), 75316(A)
33
An interrupt request signal from a
hardware whose operation is
enabled by the interrupt enable flag
or the RESET signal input
Can operate only when the external
SCK input is selected for the serial
clock
7. STANDBY FUNCTIONS
The
μ
PD75316(A) has two different standby modes (STOP mode and HALT mode) to reduce the power
consumption while waiting for program execution.
Table 7-1 Each Status in Standby Mode
STOP instrtuction
HALT instruction
Can be set either with the main
system clock or the subsystem clock
Only the CPU clock
Φ
stops its
operation. (oscillation continues)
Only the main system clock stops its
operation.
No operation
Operation (Sets IRQBT at reference
time interval) *
STOP Mode
HALT Mode
Can be set only when operating on
the main system clock
Can operate *
Can operate only when the TI0 pin
input is selected for the count clock
Can operate *
Can operate
Can operate when f
XT
is selected for
the count clock
Can operate
Can operate only when f
XT
is
selected for LCDCL
INT1, INT2, and INT4 can operate.
Only INT0 cannot operate.
No operation
Clock Generator
Basic Interval
Timer
Serial Interface
Timer/Event
Counter
Watch Timer
LCD Controller
External Interrupt
CPU
Setting Instruction
Operation
Status
System Clock for Setting
Release Signal
*: Operation is possible only when the main system clock is operating.
An interrupt request signal from a
hardware whose operation is enabled
by the interrupt enable flag or the
RESET signal input
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