P89LPC938FA NXP Semiconductors, P89LPC938FA Datasheet - Page 14

• Manufacturer Part Number: P89LPC938FA
• Description: IC, MCU 8BIT 80C51 8K FLASH, PLCC28
• Manufacturer: NXP Semiconductors

Specifications of P89LPC938FA

• Controller Family/series: (8051) 8052
• Core Size: 8bit
• No. Of I/o's: 26
• Program Memory Size: 8KB
• Eeprom Memory Size: 512Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 18MHz
• Oscillator Type: External,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 4:
* indicates SFRs that are bit addressable.
Name
IP0H
IP1*
IP1H
IP2
IP2H
KBCON
KBMASK
KBPATN
OCRAH
OCRAL
OCRBH
OCRBL
OCRCH
OCRCL
OCRDH
OCRDL
P0*
P89LPC938 Special function registers
Description
Interrupt priority 0 high
Interrupt priority 1
Interrupt priority 1 high
Interrupt priority 2
Interrupt priority 2 high
Keypad control register
Keypad interrupt mask
register
Keypad pattern register
Output compare A register
high
Output compare A register
low
Output compare B register
high
Output compare B register
low
Output compare C register
high
Output compare C register
low
Output compare D register
high
Output compare D register
low
Port 0
Bit address
Bit address
Bit address
SFR
addr.
B7H
D6H
D7H
EFH
EEH
FBH
FDH
FCH
FFH
FEH
F8H
F7H
94H
86H
FAH
80H
Bit functions and addresses
PADEEH
T1/KB7
…continued
PADEE
MSB
FF
87
97
-
-
-
-
PWDRT
CMP1
PSTH
/KB6
PST
FE
86
96
H
-
-
-
CMPREF
PBOH
/KB5
FD
85
95
-
-
-
-
-
PCCUH
CIN1A
PSRH
PCCU
PSH/
/KB4
FC
84
94
-
-
-
PSPIH
CIN1B
PT1H
PSPI
/KB3
FB
83
93
-
-
-
CIN2A
PX1H
PCH
/KB2
PC
FA
82
92
-
-
-
PADCH
PKBIH
CIN2B
PT0H
PADC
PATN
_SEL
PKBI
/KB1
F9
81
91
PI2CH
CMP2
PX0H
PI2C
KBIF
/KB0
LSB
F8
80
90
-
-
Reset value
Hex
00
00
00
00
00
00
00
FF
00
00
00
00
00
00
00
00
[2]
[2]
[2]
[2]
[2]
[2]
Binary
x0000000
00x00000
00x00000
00x00000
00x00000
xxxxxx00
00000000
11111111
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
[2]