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P83C370AAR Datasheet(PDF) 8 Page - NXP Semiconductors

Part # P83C370AAR
Description  Fully static 80C51 CPU
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P83C370AAR Datasheet(HTML) 8 Page - NXP Semiconductors

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6
MEMORY ORGANIZATION
The P8xCx70 family offers a choice of different RAM and ROM configurations; see “Ordering information”. The device has no external memory
capability, consequently the RD (read) and WR (write) signals are not bonded out. EA (External Access), PSEN (Program Store Enable) and ALE
(Address Latch Enable) are bonded out for testing purposes only.
For the complete memory map of the P8xC770 family refer to the 80C51 architecture in
“Data Handbook IC20”.
6.1
SFR address map summary
The SFRs are presented in ascending address order.
Table 2
SFR address map summary
ADDRESS
REGISTER NAME
76543210
80H(1)
P0 (latch)
P07
P06
P05
P04
P03
P02
P01
P00
81H(1)
Stack Pointer (SP)
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
86H
PWM0 (7-bit PWM)
PWM0E data6
data5
data4
data3
data2
data1
data0
87H(1)
Power Control Register (PCON)
−−−
WLE
GF1
GF0
PD
IDL
88H(1)
Timer/Counter Control Register (TCON)
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
89H(1)
Timer/Counter Mode Control Register (TMOD)
Gate
C/T
M1
M0
Gate
C/T
M1
M0
8AH(1)
Timer 0 Low byte (TL0)
TL07
TL06
TL05
TL04
TL03
TL02
TL01
TL00
8BH(1)
Timer 1 Low byte (TL1)
TL17
TL16
TL15
TL14
TL13
TL12
TL11
TL10
8CH(1)
Timer 0 High byte (TH0)
TH07
TH06
TH05
TH04
TH03
TH02
TH01
TH00
8DH(1)
Timer 1 High byte (TH1)
TH17
TH16
TH15
TH14
TH13
TH12
TH11
TH10
90H(1)
P1 (latch)
P17
P16
P15
P14
P13
P12
P11
P10
92H
Standby Control Register (STBCON)
−−−−−−−
STBY
96H
PWM1 (7-bit PWM)
PWM1E data6
data5
data4
data3
data2
data1
data0
98H
Interrupt Request Register 1 (IRQ1)
RCC
RBUSY
−−−−−
A0H(1)
P2 (latch)
P27
P26
P25
P24
P23
P22
P21
P20
A6H
PWM2 (7-bit PWM)
PWM2E data6
data5
data4
data3
data2
data1
data0
A8H(1)
Interrupt Enable Register 0 (IEN0)
EA
ES1
ET1
EX1
ET0
EX0
B0H(1)
P3 (latch)
P37
P36
P35
P34
P33
P32
P31
P30
B6H
PWM3 (7-bit PWM)
PWM3E data6
data5
data4
data3
data2
data1
data0
B7H
Slice Line Register (SL)
−−−
CS4
CS3
CS2
CS1
CS0
B8H(1)
Interrupt Priority Register 0 (IP0)
−−
PS1
PT1
PX1
PT0
PX0
C6H
PWM4 (7-bit PWM)
PWM4E data6
data5
data4
data3
data2
data1
data0


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