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參數(shù)資料
| 型號： | UPD17207GF |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS |
| 中文描述： | 4位單片機(jī)與LCD控制器/驅(qū)動(dòng)器和A / D轉(zhuǎn)換器紅外遙控遞質(zhì) |
| 文件頁數(shù)： | 25/120頁 |
| 文件大小： | 516K |
| 代理商： | UPD17207GF |
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μ
PD17201A, 17207
25
4.5
REGISTER FILE (RF)
The register file mainly consists of registers that set the conditions of the peripheral hardware.
These registers can be controlled by dedicated instructions PEEK and POKE, and the embedded macro
instructions of AS17K, SETn, CLRn, and INITFLG.
4.5.1
Configuration of Register File
Fig. 4-9 shows the configuration of the register file and how the register file is accessed by the PEEK and POKE
instructions.
The control registers are controlled by using dedicated instructions PEEK and POKE. Since the control registers
are assigned to addresses 00H-3FH regardless of the bank, the addresses 00H-3FH of the general-purpose data
memory cannot be accessed when the PEEK or POKE instruction is used.
The addresses that can be accessed by the PEEK and POKE instructions are the addresses 00H-3FH of the control
registers and 40H-7FH of the general-purpose data memory. The register file consists of these addresses.
The control registers are assigned to addresses 80H-BFH on the IE-17K to facilitate debugging.
Fig. 4-9 Configuration of Register File and Accessing Register File by PEEK and POKE Instructions
BANK0
Column address
Data memory
LD
POKE
PEEK
M030, WR
RF73, WR
WR, RF70
ST
WR, M032
WR
0
1
2
3
4
5
6
7
0
1
2
3
PEEK
WR, RF11
POKE
RF33, WR
R
o
w
a
d
d
r
e
s
s
System registers
Control registers
Register file
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
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