參數(shù)資料
型號(hào): μPD75P3216
廠商: NEC Corp.
英文描述: 4 Bit Single Chip Microcontrollers(4位單片微控制器)
中文描述: 4位單片微控制器(4位單片微控制器)
文件頁(yè)數(shù): 39/56頁(yè)
文件大小: 347K
代理商: ΜPD75P3216
39
m
PD75P3216
DATA MEMORY STOP MODE LOW SUPPLY VOLTAGE DATA RETENTION CHARACTERISTICS
(T
A
= –40 to +85 °C)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Release signal set time
t
SREL
0
m
s
Oscillation stabilization
t
WAIT
Release by RESET
2
15
/f
X
ms
wait time
Note 1
Release by interrupt
Note 2
ms
Notes 1.
The oscillation stabillization wait time is the time during which the CPU operation is stopped to prevent
unstable operation at the oscillation start.
Depends on the basic interval timer mode register (BTM) settings (See the table below).
2.
BTM3
BTM2
BTM1
BTM0
Wait Time
When fx = 4.19-MHz operation
When fx = 6.0-MHz operation
0
0
0
2
20
/fx (approx. 250 ms)
2
20
/fx (approx. 175 ms)
0
1
1
2
17
/fx (approx. 31.3 ms)
2
17
/fx (approx. 21.8 ms)
1
0
1
2
15
/fx (approx. 7.81 ms)
2
15
/fx (approx. 5.46 ms)
1
1
1
2
13
/fx (approx. 1.95 ms)
2
13
/fx (approx. 1.37 ms)
Data Retention Timing (STOP Mode Release by RESET)
Data Retention Timing (Standby Release Signal: STOP Mode Release by Interrupt Signal)
V
DD
RESET
STOP Instruction Execution
STOP Mode
Data Retention Mode
Internal Reset Operation
HALT Mode
Operating Mode
V
DDDR
t
SREL
t
WAIT
t
SREL
t
WAIT
V
DD
STOP Instruction Execution
STOP Mode
Data Retention Mode
HALT Mode
Operating Mode
Standby Release Signal
(Interrupt Request)
V
DDDR
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