參數(shù)資料
型號(hào): P87C754EBDDB
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 80C51 8-bit microcontroller family 4K/256 OTP/ROM, DAC, comparator, UART, reference
中文描述: 8-BIT, OTPROM, MICROCONTROLLER, PDSO28
封裝: PLASTIC, SSOP-28
文件頁(yè)數(shù): 9/26頁(yè)
文件大?。?/td> 217K
代理商: P87C754EBDDB
Philips Semiconductors
Preliminary specification
83C754/87C754
80C51 8-bit microcontroller family
4K/256 OTP/ROM, DAC, comparator, UART, reference
1998 Apr 23
9
Table 2.
8XC754 Special Function Registers
SYMBOL
DESCRIPTION
DIRECT
ADDRESS
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
MSB
LSB
RESET
VALUE
ACC*
Accumulator
E0H
E7
E6
E5
E4
E3
E2
E1
E0
00H
ACON0*
Analog Control 0
A0H
AC7
AC6
AC5
AC4
AC3
AC2
AC1
AC0
ACON1*
Analog Control 1
C0H
TSI
MUX2
MUX1
MUX0
B*
B register
F0H
F7
F6
F5
F4
F3
F2
F1
F0
00H
CCAPH#
PCA Module
Capture High
PCA Module
Capture Low
FEH
CCAPL#
EEH
CCAPM#
PCA Module Mode
DEH
ECOM
CAPP
CAPN
MAT
TOG
PWM
ECCF
x0000000B
DF
DE
DD
DC
DB
DA
D9
D8
CCON*#
PCA Counter
Control
D8H
CF
CR
CCF4
00x00000B
CH#
CL#
PCA Counter High
PCA Counter Low
F9H
E9H
00H
00H
CMOD#
PCA Counter Mode
D9H
CODL
WDTE
CPS1
CPS0
ECF
00xxx000B
DCON
DAC Control
84H
DPTR:
DPL
DPH
Data pointer
(2 bytes)
Data pointer low
Data pointer high
82H
83H
00H
00H
AF
AE
AD
AC
AB
AA
A9
A8
IE*#
Interrupt Enable
A8H
EA
ES/T1
EC
EX1
ET0
EX0
00H
AF
AE
AD
AC
AB
AA
A9
A8
IP*
Interrupt Priority
B8H
PS/T1
PPC
PX1
PT0
PX0
x0000000B
84
83
82
81
80
xxx11111B
P1*#
Port 1
90H
ZIN
XYZRAMP
XYSOURCE
P3*#
Port 3
B0H
INT1
ECI
TxD
RxD
PCON
Power control
87H
SMOD1
SMOD0
POF
GF1
GF0
PD
IDL
00xxxx00B
D7
D6
D5
D4
D3
D2
D1
D0
PSW*
Program status word
D0H
CY
AC
F0
RS1
RS0
OV
P
00H
SBUF
SP
Serial Data Buffer
Stack pointer
99H
81H
xxxxxxxxB
07H
9F
9E
9D
9C
9B
9A
99
98
SCON*
Serial Control
98H
SM0
SM1
SM2
REN
TB8
RB8
TI
RI
00H
8F
8E
8D
8C
8B
8A
89
88
TCON*
Timer Control
88H
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
00H
TH0
TH1
TL0
TL1
Timer High 0
Timer High 1
Timer Low 0
Timer Low 1
8CH
8DH
8AH
8BH
00H
00H
00H
00H
TMOD
Timer Mode
89H
GATE
C/T
M1
M0
GATE
C/T
M1
M0
00H
C7
C6
C5
C4
C3
C2
C1
C0
*
#
SFRs are bit addressable.
SFRs are modified from or added to the 80C51 SFRs.
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