P89LPC912FDH NXP Semiconductors, P89LPC912FDH Datasheet - Page 17

• Manufacturer Part Number: P89LPC912FDH
• Description: MCU 8BIT 80C51 1K FLASH, TSSOP14
• Manufacturer: NXP Semiconductors

Specifications of P89LPC912FDH

• Controller Family/series: (8051) 8052
• Core Size: 8bit
• No. Of I/o's: 12
• Program Memory Size: 1KB
• Ram Memory Size: 128Byte
• Cpu Speed: 18MHz
• Oscillator Type: External, Internal
• No. Of Timers: 4
• No. Of: RoHS Compliant

Table 7.
* indicates SFRs that are bit addressable.
Name
ACC*
AUXR1
B*
CMP1
CMP2
DIVM
DPTR
FMADRH
FMADRL
FMCON
FMDATA
IEN0*
IEN1*
IP0*
IP0H
IP1*
IP1H
DPH
DPL
P89LPC912 Special function registers
Description
Accumulator
Auxiliary function register
B register
Comparator 1 control register ACH
Comparator 2 control register ADH
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
Interrupt enable 0
Interrupt enable 1
Interrupt priority 0
Interrupt priority 0 high
Interrupt priority 1
Interrupt priority 1 high
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
SFR
addr.
E0H
A2H
E7H
E6H
E4H
E5H
A8H
E8H
B8H
B7H
F0H
95H
83H
82H
F8H
F7H
Bit functions and addresses
FMCMD.
CLKLP
BUSY
MSB
E7
AF
EA
EF
BF
FF
F7
7
-
-
-
-
-
-
-
-
FMCMD.
EWDRT
PWDRT
PWDRT
AE
BE
E6
EE
FE
F6
H
6
-
-
-
-
-
-
-
-
FMCMD.
PBOH
EBO
PBO
CE1
CE2
AD
ED
BD
E5
FD
F5
5
-
-
-
-
-
-
FMCMD.
ENT0
AC
BC
E4
EC
FC
F4
4
-
-
-
-
-
-
-
-
-
-
FMCMD.
PSPIH
SRST
PT1H
ESPI
PSPI
CN1
CN2
HVA
ET1
PT1
AB
BB
EB
FB
E3
F3
3
-
FMCMD.
OE1
HVE
PCH
AA
EA
EC
BA
FA
PC
E2
F2
0
2
-
-
-
-
-
FMCMD.
PKBIH
PT0H
EKBI
PKBI
CO1
CO2
ET0
PT0
SV
A9
B9
E1
F1
E9
F9
1
-
FMCMD.
CMF1
CMF2
LSB
DPS
A8
B8
E0
F0
E8
F8
OI
0
-
-
-
-
-
-
Reset value
Hex
00
00
00
00
00
00
00
00
00
00
70
00
00
00
00
00
00
00
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
Binary
0000 0000
0000 00x0
0000 0000
xx00 0000
xx00 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0111 0000
0000 0000
0000 0000
00x0 0000
x000 0000
x000 0000
00x0 0000
00x0 0000