P89LPC9321FN NXP Semiconductors, P89LPC9321FN Datasheet - Page 13

• Manufacturer Part Number: P89LPC9321FN
• Description: MCU 8-Bit 89LP 80C51 CISC 8KB Flash 2.5V/3.3V 28-Pin PDIP Tube
• Manufacturer: NXP Semiconductors

Table 4.
* indicates SFRs that are bit addressable.
Name
DEEDAT
DEEADR
DIVM
DPTR
FMADRH
FMADRL
FMCON
FMDATA
I2ADR
I2CON*
I2DAT
DPH
DPL
Special function registers
Description
Data EEPROM
data register
Data EEPROM
address
register
CPU clock
divide-by-M
control
Data pointer
(2 bytes)
Data pointer
high
Data pointer
low
Program flash
address high
Program flash
address low
Program flash
control (Read)
Program flash
control (Write)
Program flash
data
I
address
register
I
register
I
register
2
2
2
C-bus slave
C-bus control
C-bus data
Bit address
SFR
addr.
E7H
E6H
E4H
E4H
E5H
DBH
D8H
DAH
F2H
F3H
95H
83H
82H
Bit functions and addresses
FMCMD.7
…continued
I2ADR.6
BUSY
MSB
DF
-
FMCMD.6
I2ADR.5
I2EN
DE
-
FMCMD.5
I2ADR.4
STA
DD
-
FMCMD.4
I2ADR.3
STO
DC
-
FMCMD.3
I2ADR.2
HVA
DB
SI
FMCMD.2
I2ADR.1
HVE
DA
AA
FMCMD.1
I2ADR.0
SV
D9
-
FMCMD.0
CRSEL
LSB
GC
D8
OI
Reset value
Hex
00
00
00
00
00
00
00
70
00
00
00
Binary
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0111 0000
0000 0000
0000 0000
x000 00x0