P89LPC9321 NXP Semiconductors, P89LPC9321 Datasheet - Page 14

• Manufacturer Part Number: P89LPC9321
• Description: The P89LPC9321 is a single-chip microcontroller, available in low cost packages, basedon a high performance processor architecture that executes instructions in two to fourclocks, six times the rate of standard 80C51 devices
• Manufacturer: NXP Semiconductors

Table 4.
* indicates SFRs that are bit addressable.
Name
I2SCLH
I2SCLL
I2STAT
ICRAH
ICRAL
ICRBH
ICRBL
IEN0*
IEN1*
IP0*
IP0H
IP1*
IP1H
Special function registers
Description
Serial clock
generator/SCL
duty cycle
register high
Serial clock
generator/SCL
duty cycle
register low
I
register
Input capture A
register high
Input capture A
register low
Input capture B
register high
Input capture B
register low
Interrupt
enable 0
Interrupt
enable 1
Interrupt
priority 0
Interrupt
priority 0 high
Interrupt
priority 1
Interrupt
priority 1 high
2
C-bus status
Bit address
Bit address
Bit address
Bit address
SFR
addr.
DDH
DCH
D9H
ABH
AAH
AFH
AEH
A8H
E8H
B8H
B7H
F8H
F7H
Bit functions and addresses
…continued
PIEEH
STA.4
EIEE
PIEE
MSB
AF
EA
EF
BF
FF
-
-
PWDRTH
EWDRT
PWDRT
STA.3
PSTH
EST
PST
AE
EE
BE
FE
PBOH
STA.2
EBO
PBO
AD
BD
ED
FD
-
-
-
ES/ESR
PS/PSR
PCCUH
ECCU
PSRH
PCCU
STA.1
PSH/
AC
EC
BC
FC
PSPIH
STA.0
PT1H
ESPI
PSPI
ET1
PT1
AB
BB
EB
FB
PX1H
PCH
EX1
PX1
AA
EA
EC
BA
PC
FA
0
PKBIH
PT0H
EKBI
PKBI
ET0
PT0
A9
E9
B9
F9
0
PI2CH
PX0H
EI2C
PI2C
LSB
EX0
PX0
A8
B8
E8
F8
0
Reset value
Hex
00
00
F8
00
00
00
00
00
00
00
00
00
00
[1]
[1]
[1]
[1]
[1]
Binary
0000 0000
0000 0000
1111 1000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
00x0 0000
x000 0000
x000 0000
00x0 0000
00x0 0000