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| 型號(hào)： | UPD17236GT |
| 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)： | 21/92頁 |
| 文件大小： | 378K |
| 代理商： | UPD17236GT |
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Data Sheet U14360EJ1V0DS00
μ
PD17230, 17231, 17232, 17233, 17234, 17235, 17236
21
2.4.2
System registers (SYSREG)
The system registers are registers that are directly related to control of the CPU. These registers are mapped to
addresses 74H-7FH on the data memory and can be referenced regardless of bank specification.
The system registers include the following registers:
Address registers (AR0-AR3)
Window register (WR)
Bank register (BANK)
Memory pointer enable flag (MPE)
Memory pointers (MPH, MPL)
Index registers (IXH, IXM, IXL)
General register pointers (RPH, RPL)
Program status word (PSWORD)
Figure 2-7. Configuration of System Register
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
b
3
b
2
b
1
b
0
74H
75H
76H
77H
78H
79H
7AH
7BH
7CH
7DH
7EH
7FH
AR 3
AR 2
AR 1
AR 0
WR
BANK
IXH
IXM
IXL
RPH
RPL
PSW
MPH
MPL
Address register
(AR)
Window
register
(WR)
Bank
register
(BANK)
Data memory
row address
pointer (MP)
Index register
(IX)
General
register
pointer
(RP)
Program
status
word
(PSWORD)
0 0 0
0 0
0 0
0 0
M
P
E
B
C
D
C
M
P
C
Y Z
I
X
E
(RP)
(IX)
(MP)
(BANK)
Data
Bit
Symbol
Name
Address
Initial
Value
At
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Undefined
0
0
0
(WR)
(AR) ( PD17232,17233)
μ
(AR) ( PD17231)
μ
(AR) ( PD17230)
μ
0 0 0 0 0
0 0 0 0
0 0
(AR) ( PD17234,17235,17236)
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|---|---|
| UPD17236MC | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD1723GF-011-3BE | 制造商:NEC 制造商全稱:NEC 功能描述:PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LF TUNER CAR AUDIO |
| UPD1723GF-013 | 制造商:NEC 制造商全稱:NEC 功能描述:PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LF TUNER CAR AUDIO |
| UPD1723GF-211-3KE | 制造商:NEC 制造商全稱:NEC 功能描述:PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LF TUNER CAR AUDIO |
| UPD1723GF-213 | 制造商:NEC 制造商全稱:NEC 功能描述:PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LF TUNER CAR AUDIO |
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