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C/TC/TC/T
WTR
POR
DIRECT BYTE
ADDRESS
SPECIAL FUNCTION
REGISTER SYMBOL
(MSB) (LSB)BIT ADDRESS
F7 F6 F5 F4 F3 F2 F1 F0
E7 E6 E5 E4 E3 E2 E1 E0
0F0H
0E0H
NOT BIT ADDRESSABLE
ST7 ST6 ST5 ST4 IA0 F0 IBF 0BF
0DAH
B
ACC
RPS
RNR ––– EXBS AE IBI DMA RPC
RG0
0D8H RPCTL
C AC F0 RS1 RS0 OV P
0D0H PSW
NOT BIT ADDRESSABLE0CFH RNR
NOT BIT ADDRESSABLE0C7H TA
NOT BIT ADDRESSABLE0C6H MCON
NOT BIT ADDRESSABLE0C3H CRC HIGH
NOT BIT ADDRESSABLE0C2H CRC LOW
NOT BIT ADDRESSABLE0C1H CRC
PA3 PA2 PA1 PA0 RG1
PES
PM SL
RNGE3 RNGE2 RNGE1 RNGE0 ––– –––
MDM CRC
RWT PS PT1 PX1 PT0 PX0
0B8H IP
0B0H P3
EA ES ET1 EX1 ET0 EX0
0A8H IE
0A0H P2
NOT BIT ADDRESSABLE99H SBUF
SM0 SM1 SM2 REN TB8 RB8 TI RI
98H SCON
90H P1
NOT BIT ADDRESSABLE8DH TH1
NOT BIT ADDRESSABLE8CH TH0
NOT BIT ADDRESSABLE8BH TL1
NOT BIT ADDRESSABLE8AH TL0
GATE M1 M0 GATE M1 M0
89H TMOD
TF1 TR1 TF0 TR0 IE1 IT1 IE0 IT0
88H TCON
NOT BIT ADDRESSABLE87H PCON
NOT BIT ADDRESSABLE83H DPH
NOT BIT ADDRESSABLE82H DPL
NOT BIT ADDRESSABLE
81H SP
D7 D6 D5 D4 D3 D2 D1 D0
80H P0/DBB
DF DE DD DC DB DA D9 D8
D7 D6 D5 D4 D3 D2 D1 D0
BF ––– ––– BC BB BA B9 B8
B7 B6 B5 B4 B3 B2 B1 B0
AF ––– ––– AC AB AA A9 A8
A7 A6 A5 A4 A3 A2 A1 A0
97 96 95 94 93 92 91 90
9F 9E 9D 9C 9B 9A 99 98
8F 8E 8D 8C 8B 8A 89 88
87 86 85 84 83 82 81 80
NOT BIT ADDRESSABLE
SMOD PFW EPFW
EWT
STOP IDL
* BITS IN ITALICS ARE NONVOLATILE
USER’S GUIDE
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30
DS5001/DS5002 SERIES SPECIAL FUNCTION REGISTER MAP Figure 4–13