參數(shù)資料
型號: UPD784020GC-3B9
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 16/8-BIT單片機
文件頁數(shù): 24/90頁
文件大?。?/td> 614K
代理商: UPD784020GC-3B9
24
m
PD784020, 784021
Table 7-1 Special Function Registers (SFRs) (1/4)
Address
Note
Special function register (SFR) name
Abbreviation
R/W
Manipulatable bits
When reset
1 bit
8 bits 16 bits
0FF00H
Port 0
P0
R/W
l
l
Undefined
0FF01H
Port 1
P1
l
l
0FF02H
Port 2
P2
R
l
l
0FF03H
Port 3
P3
R/W
l
l
0FF06H
Port 6
P6
l
l
00H
0FF07H
Port 7
P7
l
l
Undefined
0FF0EH
Port 0 buffer register L P0L
l
l
0FF0FH
Port 0 buffer register H
P0H
l
l
0FF10H
Compare register (timer/counter 0)
CR00
l
0FF12H
Capture/compare register (timer/counter 0)
CR01
l
0FF14H
Compare register L (timer/counter 1)
CR10
CR10W
l
l
0FF15H
Compare register H (timer/counter 1)
0FF16H
Capture/compare register L (timer/counter 1)
CR11
CR11W
l
l
0FF17H
Capture/compare register H (timer/counter 1)
0FF18H
Compare register L (timer/counter 2)
CR20
CR20W
l
l
0FF19H
Compare register H (timer/counter 2)
0FF1AH
Capture/compare register L (timer/counter 2)
CR21
CR21W
l
l
0FF1BH
Capture/compare register H (timer/counter 2)
0FF1CH
Compare register L (timer 3)
CR30
CR30W
l
l
0FF1DH
Compare register H (timer 3)
0FF20H
Port 0 mode register
PM0
l
l
FFH
0FF21H
Port 1 mode register
PM1
l
l
0FF23H
Port 3 mode register
PM3
l
l
0FF26H
Port 6 mode register
PM6
l
l
0FF27H
Port 7 mode register
PM7
l
l
0FF2EH
Real-time output port control register
RTPC
l
l
00H
0FF30H
Capture/compare control register 0
CRC0
l
10H
0FF31H
Timer output control register
TOC
l
l
00H
0FF32H
Capture/compare control register 1
CRC1
l
0FF33H
Capture/compare control register 2
CRC2
l
10H
Note
Applicable when the LOCATION 0 instruction is executed. When the LOCATION 0FH instruction is
executed, F0000H is added to each address.
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