參數(shù)資料
型號: UPD754302GSA
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): 59/74頁
文件大?。?/td> 316K
代理商: UPD754302GSA
μ
PD754302, 754304, 754302(A), 754304(A)
59
Interrupt Input Timing
RESET Input Timing
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
μ
s
Oscillation stabilization
t
WAIT
Release by RESET
Note2
ms
wait time
Note1
Release by interrupt request
Note3
ms
Notes 1.
The oscillation stabilization wait time is the time during which the CPU operation is stopped to
avoid unstable operation at oscillation start.
2
17
/fx and 2
15
/fx can be selected with mask option.
Depends on setting of basic interval timer mode register (BTM) (see table below).
2.
3.
BTM3
BTM2
BTM1
BTM0
Wait Time
When f
X
= 4.19 MHz
When f
X
= 6.0 MHz
0
0
0
2
20
/f
X
(Approx. 250 ms)
2
20
/f
X
(Approx. 175 ms)
0
1
1
2
17
/f
X
(Approx. 31.3 ms)
2
17
/f
X
(Approx. 21.8 ms)
1
0
1
2
15
/f
X
(Approx. 7.81 ms)
2
15
/f
X
(Approx. 5.46 ms)
1
1
1
2
13
/f
X
(Approx. 1.95 ms)
2
13
/f
X
(Approx. 1.37 ms)
INT0,1,2,4
KR0-7
t
INTL
t
INTH
RESET
t
RSL
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