參數(shù)資料
型號(hào)： UPD75108A
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)： 29/66頁(yè)
文件大小： 460K
代理商： UPD75108A
μ
PD75104A, 75108A
29
7. STANDBY FUNCTIONS
The
μ
PD75108A has two different standby modes (STOP mode and HALT mode) to reduce the power
consumption of the microcomputer chip while waiting for program execution.
Table 7-1 Each Status in Standby Mode
Setting Instruction
STOP instruction
HALT instruction
Clock Oscillator
circuit
Basic Interval
Timer
Operates (sets IRQBT at reference
time intervals)
Outputs when clock other than CPU
clock
Φ
is used
Operates only when input of external
SCK or output of TO0 is selected as
serial clock (where external TI0 is input
to timer/event counter 0)
Operates when serial clock other
than
Φ
is specified
Operates
CPU
Stops
Stops
Stops
Release Signal
Interrupt request signal enabled by interrupt enable flag, or RESET input
Serial Interface
Clock output circuit
Stops
STOP Mode
HALT Mode
Clock oscillation stops
Only CPU clock
Φ
is stopped
Operation
Status
Timer/Event
Counter
Operates only when TIn pin input
signal is specified as count clock
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