P89LPC925 PHILIPS [NXP Semiconductors], P89LPC925 Datasheet - Page 11

• Manufacturer Part Number: P89LPC925
• Description: 8-bit microcontrollers with accelerated two-clock 80C51 core 4 kB/8 kB 3 V low-power Flash with 8-bit A/D converter
• Manufacturer: PHILIPS [NXP Semiconductors]

Table 4:
* indicates SFRs that are bit addressable.
Name
FMCON
FMDATA
I2ADR
I2CON*
I2DAT
I2SCLH
I2SCLL
I2STAT
IEN0*
IEN1*
IP0*
IP0H
IP1*
IP1H
KBCON
KBMASK
KBPATN
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Special function registers
Description
Program Flash control (Read) E4H
Program Flash control (Write) E4H
Program Flash data
I
I
I
Serial clock generator/SCL
duty cycle register HIGH
Serial clock generator/SCL
duty cycle register LOW
I
Interrupt enable 0
Interrupt enable 1
Interrupt priority 0
Interrupt priority 0 HIGH
Interrupt priority 1
Interrupt priority 1 HIGH
Keypad control register
Keypad interrupt mask
register
Keypad pattern register
2
2
2
2
C slave address register
C control register
C data register
C status register
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
…continued
SFR
addr.
DDH
DCH
DBH
D8H
DAH
D9H
E5H
A8H
E8H
B8H
B7H
F8H
F7H
94H
86H
93H
Bit functions and addresses
FMCMD.
I2ADR.6
BUSY
STA.4
PADH
MSB
EAD
PAD
DF
AF
EA
EF
BF
FF
87
7
-
-
-
-
FMCMD.
I2ADR.5
EWDRT
PWDRT
PWDRT
STA.3
PSTH
I2EN
EST
PST
DE
AE
BE
EE
FE
86
H
6
-
-
FMCMD.
I2ADR.4
PBOH
STA.2
EBO
PBO
STA
DD
AD
ED
BD
FD
85
5
-
-
-
-
-
FMCMD.
I2ADR.3
ES/ESR
PS/PSR
PSRH
STA.1
PSH/
STO
DC
AC
EC
BC
FC
84
4
-
-
-
-
-
FMCMD.
I2ADR.2
STA.0
PT1H
HVA
ET1
PT1
DB
AB
EB
BB
FB
83
SI
3
-
-
-
-
FMCMD.
I2ADR.1
PX1H
HVE
PCH
EX1
PX1
DA
AA
EA
EC
BA
PC
AA
FA
82
2
0
-
FMCMD.
I2ADR.0
PKBIH
PT0H
PATN
_SEL
EKBI
PKBI
ET0
PT0
SV
D9
A9
E9
B9
F9
81
1
0
-
FMCMD.
CRSEL
PI2CH
PX0H
EI2C
PI2C
KBIF
LSB
EX0
PX0
GC
D8
A8
E8
B8
F8
OI
80
0
0
Reset value
Hex
70
00
00
00
00
00
F8
00
00
00
00
00
00
00
00
FF
[1]
[1]
[1]
[1]
[1]
[1]
[1]
Binary
01110000
00000000
00000000
x00000x0
00000000
00000000
11111000
00000000
00x00000
x0000000
x0000000
00x00000
00x00000
xxxxxx00
00000000
11111111