P89LPC9401FBD NXP Semiconductors, P89LPC9401FBD Datasheet - Page 13

• Manufacturer Part Number: P89LPC9401FBD
• Description: IC, MCU 8BIT 80C51, LCD DRIVER, SMD
• Manufacturer: NXP Semiconductors

Specifications of P89LPC9401FBD

• Controller Family/series: (8051) 8052
• Core Size: 8bit
• No. Of I/o's: 23
• Program Memory Size: 8KB
• Ram Memory Size: 256Byte
• Cpu Speed: 18MHz
• Oscillator Type: External, Internal
• No. Of Timers: 4
• No.: RoHS Compliant

Table 4:
* indicates SFRs that are bit addressable.
Name
I2SCLH
I2SCLL
I2STAT
IEN0*
IEN1*
IP0*
IP0H
IP1*
IP1H
KBCON
KBMASK
KBPATN
P0*
P1*
P2*
P3*
Special function registers
Description
Serial clock generator/SCL
duty cycle register high
Serial clock generator/SCL
duty cycle register low
I
Interrupt enable 0
Interrupt enable 1
Interrupt priority 0
Interrupt priority 0 high
Interrupt priority 1
Interrupt priority 1 high
Keypad control register
Keypad interrupt mask
register
Keypad pattern register
Port 0
Port 1
Port 2
Port 3
2
C-bus status register
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
…continued
SFR
addr.
DDH
DCH
D9H
A8H
E8H
B8H
B7H
F8H
F7H
A0H
B0H
94H
86H
93H
80H
90H
Bit functions and addresses
T1/KB7
STA.4
MSB
AF
EA
EF
BF
B7
FF
87
97
97
-
-
-
-
-
-
-
-
-
EWDRT
PWDRT
PWDRT
CMP1
STA.3
PSTH
/KB6
EST
PST
AE
EE
BE
FE
B6
86
96
96
H
-
-
-
-
CMPREF
SPICLK
PBOH
STA.2
/KB5
EBO
PBO
RST
AD
BD
ED
FD
B5
85
95
95
-
-
-
-
-
ES/ESR
PS/PSR
CIN1A
STA.1
PSRH
PSH/
/KB4
INT1
AC
EC
BC
FC
SS
B4
84
94
94
-
-
-
-
-
PSPIH
CIN1B
STA.0
PT1H
INT0/
MISO
ESPI
PSPI
/KB3
SDA
ET1
PT1
AB
EB
BB
FB
B3
83
93
93
-
-
T0/SCL
CIN2A
PX1H
MOSI
PCH
/KB2
EX1
PX1
AA
EA
EC
BA
PC
FA
B2
82
92
92
0
-
-
PKBIH
CIN2B
XTAL1
PT0H
PATN
_SEL
EKBI
PKBI
/KB1
RXD
ET0
PT0
A9
E9
B9
F9
B1
81
91
91
0
-
PI2CH
XTAL2
CMP2
PX0H
EI2C
PI2C
KBIF
/KB0
LSB
EX0
PX0
TXD
A8
E8
B8
F8
B0
80
90
90
0
-
Reset value
Hex
00
00
F8
00
00
00
00
00
00
00
00
FF
[2]
[2]
[2]
[2]
[2]
[2]
Binary
0000 0000
0000 0000
1111 1000
0000 0000
00x0 0000
x000 0000
x000 0000
00x0 0000
00x0 0000
xxxx xx00
0000 0000
1111 1111
[2]
[2]
[2]
[2]