p89lpc9171fdh NXP Semiconductors, p89lpc9171fdh Datasheet - Page 19

• Manufacturer Part Number: p89lpc9171fdh
• Description: 8-bit Microcontroller With Accelerated Two-clock 80c51 Core, 2 Kb 3 V Byte-erasable Flash With 8-bit Adc
• Manufacturer: NXP Semiconductors

Table 6.
* indicates SFRs that are bit addressable.
Name
I2CON*
I2DAT
I2SCLH
I2SCLL
I2STAT
IEN0*
IEN1*
IP0*
IP0H
IP1*
IP1H
KBCON
Special function registers - P89LPC9151
Description
I
register
I
register
Serial clock
generator/SCL
duty cycle
register high
Serial clock
generator/SCL
duty cycle
register low
I
register
Interrupt
enable 0
Interrupt
enable 1
Interrupt
priority 0
Interrupt
priority 0 high
Interrupt
priority 1
Interrupt
priority 1 high
Keypad control
register
2
2
2
C-bus control
C-bus data
C-bus status
Bit address
Bit address
Bit address
Bit address
Bit address
SFR
addr.
DDH
DCH
D8H
DAH
D9H
A8H
E8H
B8H
B7H
F8H
F7H
94H
Bit functions and addresses
STA.4
PADH
MSB
EAD
PAD
DF
AF
EA
EF
BF
FF
-
-
-
-
PWDRTH
EWDRT
PWDRT
STA.3
PSTH
I2EN
EST
PST
DE
AE
EE
BE
FE
-
PBOH
STA.2
EBO
PBO
STA
DD
AD
BD
ED
FD
-
-
-
-
ES/ESR
PS/PSR
PSRH
STA.1
PSH/
STO
DC
AC
EC
BC
FC
-
-
-
-
STA.0
PT1H
ET1
PT1
DB
AB
BB
EB
FB
SI
-
-
-
-
PX1H
PCH
EX1
PX1
DA
AA
EA
EC
BA
PC
AA
FA
0
-
PKBIH
PT0H
PATN
_SEL
EKBI
PKBI
ET0
PT0
D9
A9
E9
B9
F9
0
-
CRSEL
PI2CH
PX0H
EI2C
PI2C
KBIF
LSB
EX0
PX0
D8
A8
B8
E8
F8
0
Reset value
Hex
00
00
00
F8
00
00
00
00
00
00
00
[1]
[1]
[1]
[1]
[1]
[1]
Binary
x000 00x0
0000 0000
0000 0000
1111 1000
0000 0000
00x0 0000
x000 0000
x000 0000
00x0 0000
00x0 0000
xxxx xx00