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參數資料
| 型號： | 8XC51FA |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 8-bit CMOS (low voltage, low power and high speed) microcontroller families |
| 中文描述： | 8位CMOS（低電壓，低功耗和高速）微控制器系列 |
| 文件頁數： | 11/55頁 |
| 文件大小： | 361K |
| 代理商： | 8XC51FA |
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Philips Semiconductors
Preliminary specification
8XC52/54/58/80C32
8XC51FA/FB/FC/80C51FA
8XC51RA+/RB+/RC+/RD+/80C51RA+
8-bit CMOS (low voltage, low power
and high speed) microcontroller families
1997 Dec 01
185
Table 2.
8XC51FA/FB/FC, 8XC51RA+/RB+/RC+/RD+ Special Function Registers
SYMBOL
DESCRIPTION
DIRECT
ADDRESS
E0H
8EH
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
MSB
E7
E6
E5
E4
–
–
–
–
LSB
E0
AO
RESET
VALUE
00H
xxxxxx00B
ACC*
AUXR#
Accumulator
Auxiliary
E3
–
E2
–
E1
(RX+ only)
AUXR1#
B*
Auxiliary 1
B register
A2H
F0H
–
–
–
LPEP
3
F4
GF0
F3
0
–
DPS
F0
xxx0xxx0B
00H
F7
F6
F5
F2
F1
CCAP0H#
CCAP1H#
CCAP2H#
CCAP3H#
CCAP4H#
CCAP0L#
CCAP1L#
CCAP2L#
CCAP3L#
CCAP4L#
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
FAH
FBH
FCH
FDH
FEH
EAH
EBH
ECH
EDH
EEH
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
CCAPM0#
CCAPM1#
CCAPM2#
CCAPM3#
CCAPM4#
Module 0 Mode
Module 1 Mode
Module 2 Mode
Module 3 Mode
Module 4 Mode
DAH
DBH
DCH
DDH
DEH
–
–
–
–
–
ECOM
ECOM
ECOM
ECOM
ECOM
CAPP
CAPP
CAPP
CAPP
CAPP
CAPN
CAPN
CAPN
CAPN
CAPN
MAT
MAT
MAT
MAT
MAT
TOG
TOG
TOG
TOG
TOG
PWM
PWM
PWM
PWM
PWM
ECCF
ECCF
ECCF
ECCF
ECCF
x0000000B
x0000000B
x0000000B
x0000000B
x0000000B
DF
CF
DE
CR
DD
–
DC
CCF4
DB
CCF3
DA
CCF2
D9
D8
CCON*#
CH#
CL#
CMOD#
PCA Counter Control
PCA Counter High
PCA Counter Low
PCA Counter Mode
D8H
F9H
E9H
D9H
CCF1
CCF0
00x00000B
00H
00H
00xxx000B
CIDL
WDTE
–
–
–
CPS1
CPS0
ECF
DPTR:
DPH
DPL
Data Pointer (2 bytes)
Data Pointer High
Data Pointer Low
83H
82H
00H
00H
AF
AE
AD
AC
AB
AA
A9
A8
IE*
Interrupt Enable
A8H
EA
EC
ET2
ES
ET1
EX1
ET0
EX0
00H
BF
BE
BD
BC
BB
BA
B9
B8
IP*
Interrupt Priority
B8H
–
PPC
PT2
PS
PT1
PX1
PT0
PX0
x0000000B
B7
B6
B5
B4
B3
B2
B1
B0
IPH#
Interrupt Priority High
B7H
–
PPCH
PT2H
PSH
PT1H
PX1H
PT0H
PX0H
x0000000B
87
86
85
84
83
82
81
80
P0*
Port 0
80H
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
FFH
97
96
95
94
93
92
91
90
P1*
Port 1
90H
CEX4
CEX3
CEX2
CEX1
CEX0
ECI
T2EX
T2
FFH
A7
A6
A5
A4
A3
A2
A1
A0
P2*
Port 2
A0H
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
FFH
B7
B6
B5
B4
B3
B2
B1
B0
P3*
Port 3
B0H
RD
WR
T1
T0
INT1
INT0
TxD
RxD
FFH
PCON#
1
SFRs are bit addressable.
SFRs are modified from or added to the 80C51 SFRs.
Reserved bits.
1. Reset value depends on reset source.
2. Bit will not be affected by Reset.
3. LPEP – Low Power OTP–EPROM only operation.
Power Control
87H
SMOD1
SMOD0
–
POF
2
GF1
GF0
PD
IDL
00xx0000B
*
#
–
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