DS89C420-ENL MAXIM [Maxim Integrated Products], DS89C420-ENL Datasheet - Page 9

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DS89C420-ENL

Manufacturer Part Number
DS89C420-ENL
Description
Ultra-High-Speed Microcontroller
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
REGISTER ADDR
Table 2. SPECIAL FUNCTION REGISTERS
P0
SP
DPL
DPH
DPL1
DPH1
DPS
PCON
TCON
TMOD
TL0
TL1
TH0
TH1
CKCON
P1
EXIF
CKMOD
SCON0
SBUF0
ACON
P2
IE
SADDR0
SADDR1
P3
IP1
IP0
SADEN0
SADEN1
SCON1
SBUF1
ROMSIZE
PMR
STATUS
TA
T2CON
T2MOD
RCAP2L
RCAP2H
AAh
BAh
CAh
CBh
8Ah
8Bh
8Ch
8Dh
9Dh
A0h
A8h
A9h
B0h
B1h
B8h
B9h
C0h
C1h
C2h
C4h
C5h
C7h
C8h
C9h
80h
81h
82h
83h
84h
85h
86h
87h
88h
89h
8Eh
90h
91h
96h
98h
99h
P1.7/
SM0/FE_0
SM0/FE_1
SMOD_0
P3.7/ RD
PAGEE
GATE
BIT7
WD1
P0.7
P2.7
CD1
PIS2
TF1
TF2
ID1
IE5
EA
INT
5
P1.6/INT4 P1.5/
P3.6/ WR
PAGES1
SMOD0
SM1_0
SM1_1
BIT6
MPS1
EXF2
WD0
LPS1
C/ T
P0.6
TR1
P2.6
CD0
PIS1
ID0
ES1
IE4
PAGES0
P3.5/T1
SM2_0
SM2_1
T2MH
BIT5
OFDF
MPT2
RCLK
LPT2
T2M
SWB
PIS0
P0.5
TSL
TF0
P2.5
ET2
M1
IE3
INT
9 of 58
3
P1.4/INT2
P3.4/T0
REN_0
REN_1
T1MH
OFDE
TCLK
BIT4
MPS0
LPS0
CTM
T1M
P0.4
AID
TR0
P2.4
M0
ES0
IE2
P1.3/TXD1
P3.3/
PRAME
4X/ X
EXEN2
SPTA1
T0MH
TB8_0
TB8_1
GATE
CKRY
MPT1
BIT3
LPT1
T0M
P0.3
GF1
P2.3
ET1
IE1
INT
2
1
P1.2/RXD1
P3.2/
ALEON
RGMD
SPRA1
RB8_0
RB8_1
MPX1
RMS2
BIT2
LPX1
MD2
C/ T
P0.2
GF0
P2.2
EX1
TR2
IT1
INT
0
P3.1/TXD0
P1.1/T2EX
SPTA0
MPT0
RMS1
DME1
BIT1
STOP
RGSL
C/ 2
T2OE
LPT0
MD1
TI_0
TI_1
P0.1
P2.1
ET0
M1
IE0
T
DS89C420
P3.0/RXD0
CP/
P1.0/T2
SPRA0
MPX0
DME0
DCEN
BIT0
RMS0
LPX0
IDLE
MD0
BGS
RI_0
RI_1
P0.0
P2.0
EX0
SEL
IT0
M0
RL
2

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