參數(shù)資料
型號: 6P8B
廠商: NEC Corp.
英文描述: MOS INTEGRATED CIRCUIT 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
中文描述: 馬鞍山集成電路4位單片機(jī)的紅外遙控傳輸
文件頁數(shù): 22/95頁
文件大?。?/td> 692K
代理商: 6P8B
22
μ
PD6P8, 6P8A, 6P8B
Data Sheet U17848EJ3V0DS
4.3 Control Register 0 (P3)
Control register 0 consists of 8 bits. The contents that can be controlled are as shown below.
After reset, the register becomes 0000
×
000B
Note
.
Note
×
: Refers to the value based on a decrease of power supply voltage (0 when V
DD
V
ID
)
Remark
V
ID
: RAM retention detection voltage
Table 4-4. Control Register 0 (P3)
Bit
b
7
Note
b
6
b
5
b
4
b
3
RAM
retention
flag
b
2
b
1
b
0
Name
DP (Data Pointer)
DP
11
DP
10
DP
9
DP
8
Setting
0
0
0
0
0
Not retainable
Fixed to 0
1
1
1
1
1
Retainable
After reset
0
0
0
0
0
0
0
0
b
3
:
b
4
to b
7
: Specify the higher bits of the ROM data pointer (DP
8
to DP
11
).
RAM retention flag. For function details, refer to
4.3.1 RAM retention flag (bit 3 of P3)
.
Note
Set b
7
to 0 in the case of the
μ
PD6P8, 6P8A, 6P8B.
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