參數(shù)資料
型號(hào)： UPD753304W
廠商： NEC Corp.
元件分類： 4位微控制器
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述： 4位單片機(jī)的小型通用紅外遙控器
文件頁數(shù)： 47/56頁
文件大小： 374K
代理商： UPD753304W
47
μ
PD753304
Data retention characteristics of data memory in STOP mode and at low supply voltage
(T
A
= –10 to +60
°
C)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Release signal setup time
t
SREL
0
μ
s
t
WAIT
Released by RESET
56/f
CC
μ
s
Released by interrupt request
Note 2
μ
s
Notes 1.
The oscillation stabilization wait time is the time during which the CPU stops operating to prevent
unstable operation when oscillation is started.
Either 2
9
/f
CC
or no wait can be selected by mask option.
2.
Data retention timing (when STOP mode released by RESET)
Data retention timing (standby release signal: when STOP mode released by interrupt signal)
Oscillation stabilization
wait time
Note 1
STOP mode
V
DD
Operation mode
Internal reset operation
HALT mode
Data retention mode
t
SREL
t
WAIT
STOP instruction execution
RESET
STOP mode
V
DD
Operation mode
HALT mode
Data retention mode
t
SREL
t
WAIT
STOP instruction execution
Standby release signal
(interrupt request)
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