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P89LPC901FD 数据表(PDF) 18 Page - NXP Semiconductors

部件名 P89LPC901FD
功能描述  8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM
PDF  55 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

P89LPC901FD 数据表(HTML) 18 Page - NXP Semiconductors

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Table 8:
P89LPC902 Special function registers
* indicates SFRs that are bit addressable.
Name
Description
SFR
addr.
Bit functions and addresses
Reset value
MSB
LSB
Hex
Binary
Bit address
E7
E6
E5
E4
E3
E2
E1
E0
ACC*
Accumulator
E0H
00
00000000
AUXR1
Auxiliary function register
A2H
----
SRST
0
-
DPS
00[1]
000000x0
Bit address
F7
F6
F5
F4
F3
F2
F1
F0
B*
B register
F0H
00
00000000
CMP1
Comparator 1 control register
ACH
-
-
CE1
-
CN1
OE1
CO1
CMF1
00[1]
xx000000
CMP2
Comparator 2 control register
ADH
-
-
CE2
-
CN2
OE2
CO2
CMF2
00[1]
xx000000
DIVM
CPU clock divide-by-M
control
95H
00
00000000
DPTR
Data pointer (2 bytes)
DPH
Data pointer HIGH
83H
00
00000000
DPL
Data pointer LOW
82H
00
00000000
FMADRH
Program Flash address HIGH
E7H
00
00000000
FMADRL
Program Flash address LOW
E6H
00
00000000
FMCON
Program Flash Control
(Read)
E4H
BUSY
-
-
-
HVA
HVE
SV
OI
70
01110000
Program Flash Control
(Write)
FMCMD.
7
FMCMD.
6
FMCMD.
5
FMCMD.
4
FMCMD.
3
FMCMD.
2
FMCMD.
1
FMCMD.
0
FMDATA
Program Flash data
E5H
00
00000000
IEN0*
Interrupt enable 0
A8H
EA
EWDRT
EBO
-
ET1
-
ET0
-
00
00000000
Bit address
EF
EE
ED
EC
EB
EA
E9
E8
IEN1*
Interrupt enable 1
E8H
-----
EC
EKBI
-
00[1]
00x00000
Bit address
BF
BE
BD
BC
BB
BA
B9
B8
IP0*
Interrupt priority 0
B8H
-
PWDRT
PBO
-
PT1
-
PT0
-
00[1]
x0000000
IP0H
Interrupt priority 0 HIGH
B7H
-
PWDRT
H
PBOH
-
PT1H
-
PT0H
-
00[1]
x0000000
Bit address
FF
FE
FD
FC
FB
FA
F9
F8
IP1*
Interrupt priority 1
F8H
-----
PC
PKBI
-
00[1]
00x00000
IP1H
Interrupt priority 1 HIGH
F7H
-----
PCH
PKBIH
-
00[1]
00x00000



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