p89lpc972fn NXP Semiconductors, p89lpc972fn Datasheet - Page 12

• Manufacturer Part Number: p89lpc972fn
• Description: 8-bit Microcontroller With Accelerated Two-clock 80c51 Core 2kb/4 Kb/8 Kb Wide-voltage Byte-erasable ?ash
• Manufacturer: NXP Semiconductors

Table 4.
* indicates SFRs that are bit addressable.
Name
FMCON
FMDATA
I2ADR
I2CON*
I2DAT
I2SCLH
I2SCLL
I2STAT
IEN0*
IEN1*
IP0*
IP0H
Special function registers
Description
Program flash
control (Read)
Program flash
control (Write)
Program flash
data
I
address register
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
2
2
2
2
C-bus slave
C-bus control
C-bus data
C-bus status
Bit address
Bit address
Bit address
Bit address
SFR addr. Bit functions and addresses
DBH
DDH
DCH
E4H
E4H
E5H
D8H
DAH
D9H
A8H
E8H
B8H
B7H
…continued
FMCMD.7 FMCMD.6 FMCMD.5 FMCMD.4 FMCMD.3 FMCMD.2 FMCMD.1 FMCMD.0
I2ADR.6
BUSY
STA.4
MSB
EA
DF
AF
EF
BF
-
-
-
-
PWDRTH
I2ADR.5
EWDRT
PWDRT
STA.3
I2EN
EST
DE
AE
EE
BE
-
I2ADR.4
PBOH
STA.2
EBO
PBO
STA
DD
AD
ED
BD
-
-
I2ADR.3
ES/ESR
PS/PSR
EXTIM
PSRH
STA.1
PSH/
STO
DC
AC
EC
BC
-
I2ADR.2
STA.0
PT1H
ESPI
HVA
ET1
PT1
DB
AB
EB
BB
SI
I2ADR.1
PX1H
HVE
EX1
PX1
AA
DA
AA
EA
EC
BA
0
I2ADR.0
PT0H
EKBI
ET0
PT0
SV
D9
A9
B9
E9
0
-
CRSEL
PX0H
EI2C
LSB
EX0
PX0
GC
D8
A8
B8
E8
OI
0
Reset value
Hex
70
00
00
00
00
00
F8
00
00
00
00
[1]
[1]
[1]
Binary
0111 0000
0000 0000
0000 0000
x000 00x0
0000 0000
0000 0000
1111 1000
0000 0000
00x0 0000
x000 0000
x000 0000