P87C660X2 PHILIPS [NXP Semiconductors], P87C660X2 Datasheet - Page 9

• Manufacturer Part Number: P87C660X2
• Description: 80C51 8-bit microcontroller family
• Manufacturer: PHILIPS [NXP Semiconductors]

*
# SFRs are modified from or added to the 80C51 SFRs.
– Reserved bits.
1. Reset value depends on reset source.
2. 8xC661X2 only.
Philips Semiconductors
SPECIAL FUNCTION REGISTERS
2003 Oct 02
ACC*
AUXR#
AUXR1#
B*
CCAP0H#
CCAP1H#
CCAP2H#
CCAP3H#
CCAP4H#
CCAP0L#
CCAP1L#
CCAP2L#
CCAP3L#
CCAP4L#
CCAPM0#
CCAPM1#
CCAPM2#
CCAPM3#
CCAPM4#
CCON*#
CH#
CL#
CMOD#
CKCON
DPTR:
IEN0*
IEN1*
IP*#
IPH#
P0*
P1*#
P2*
SYMBOL
80C51 8-bit microcontroller family
RAM, low voltage (2.7 to 5.5 V), low power, high speed (30/33
MHz), two 400KB I
DPH
DPL
SFRs are bit addressable.
Accumulator
Auxiliary
Auxiliary 1
B register
Module 0 Capture High
Module 1 Capture High
Module 2 Capture High
Module 3 Capture High
Module 4 Capture High
Module 0 Capture Low
Module 1 Capture Low
Module 2 Capture Low
Module 3 Capture Low
Module 4 Capture Low
Module 0 Mode
Module 1 Mode
Module 2 Mode
Module 3 Mode
Module 4 Mode
PCA Counter Control
PCA Counter High
PCA Counter Low
PCA Counter Mode
Clock control
Data Pointer (2 bytes)
Data Pointer High
Data Pointer Low
Interrupt Enable 0
Interrupt Enable 1
Interrupt Priority
Interrupt Priority High
Port 0
Port 1
Port 2
DESCRIPTION
2
C interfaces
ADDRESS
DIRECT
FCH
FDH
EAH
EBH
ECH
EDH
EEH
E0H
8EH
A2H
F0H
FAH
FBH
FEH
C2H
C3H
C4H
C5H
C6H
C0H
F9H
E9H
C1H
8FH
A8H
E8H
B8H
B7H
A0H
83H
82H
80H
90H
16 KB OTP/ROM, 512B
MSB
PT2H
AD15
CIDL
AD7
SDA
PT2
CF
EA
E7
F7
C7
AF
BF
B7
A7
B7
87
97
–
–
–
–
–
–
–
–
–
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
ECOM
ECOM
ECOM
ECOM
ECOM
WDTE
PPCH
AD14
PPC
AD6
SCL
CR
C6
AE
EC
BE
E6
F6
B6
86
96
A6
B6
–
–
–
–
9
CAPP
CAPP
CAPP
CAPP
CAPP
PS1H
CEX2
AD13
SRD
ES1
PS1
AD5
BD
C5
AD
E5
F5
B5
85
95
A5
B5
–
–
–
–
–
CAPN
CAPN
CAPN
CAPN
CAPN
LPEP
CCF4
PS0H
CEX1
AD12
AD4
ES0
PS0
C4
AC
BC
E4
F4
B4
84
94
A4
B4
–
–
–
–
CCF3
PT1H
CEX0
AD11
FME
GPS
MAT
MAT
MAT
MAT
MAT
AD3
ET1
PT1
E3
C3
AB
BB
B3
A3
B3
F3
83
93
–
–
–
CCF2
CPS1
PX1H
AD10
TOG
TOG
TOG
TOG
TOG
EX1
PX1
AD2
ECI
E2
C2
AA
BA
B2
A2
B2
F2
82
92
–
0
–
–
P8xC660X2/661X2
EXTRAM
CCF1
CPS0
PT0H
PWM
PWM
PWM
PWM
PWM
T2EX
ES2
AD1
AD9
ET0
PT0
E1
C1
A9
B9
B1
A1
B1
F1
81
91
–
–
ECCF
ECCF
ECCF
ECCF
ECCF
CCF0
PX0H
DPS
ECF
AD0
AD8
EX0
ET2
PX0
AO
LSB
C0
E0
F0
X2
A8
B8
B0
T2
A0
B0
80
90
00000000B
00000000B
00H
xxxx0x10B
xxxx00x0B
00H
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
x0000000B
x0000000B
x0000000B
x0000000B
x0000000B
00x00000B
00H
00H
00xxx000B
xxxxxxx1B
00H
00H
00000000B
xxxxxx00B
FFH
FFH
FFH
Product data
RESET
VALUE