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89LPC933 View Datasheet(PDF) - NXP Semiconductors.

Part NameDescriptionManufacturer
89LPC933 8-bit microcontroller with accelerated two-clock 80C51 core 4 kB/8 kB/16 kB 3 V byte-erasable flash with 8-bit ADCs NXP
NXP Semiconductors. NXP
89LPC933 Datasheet PDF : 77 Pages
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Table 6. Special function registers - P89LPC935/936 …continued
* indicates SFRs that are bit addressable.
Name
Description
SFR Bit functions and addresses
addr. MSB
LSB
Reset value
Hex Binary
I2SCLL
Serial clock generator/SCL
duty cycle register low
DCH
00
0000 0000
I2STAT I2C status register
D9H STA.4 STA.3 STA.2 STA.1 STA.0
0
0
0
F8
1111 1000
ICRAH Input capture A register high ABH
00
0000 0000
ICRAL Input capture A register low AAH
00
0000 0000
ICRBH Input capture B register high AFH
00
0000 0000
ICRBL Input capture B register low AEH
00
0000 0000
Bit address AF
AE
AD
AC
AB
AA
A9
A8
IEN0*
Interrupt enable 0
A8H EA EWDRT EBO ES/ESR ET1
EX1
ET0
EX0 00
0000 0000
Bit address EF
EE
ED
EC
EB
EA
E9
E8
IEN1*
Interrupt enable 1
E8H EADEE EST
-
ECCU ESPI
EC
EKBI
EI2C 00[3] 00x0 0000
Bit address BF
BE
BD
BC
BB
BA
B9
B8
IP0*
Interrupt priority 0
B8H
-
PWDRT PBO PS/PSR PT1
PX1
PT0
PX0 00[3] x000 0000
IP0H
Interrupt priority 0 high
B7H
-
PWDRT PBOH
PSH/
PT1H
PX1H
PT0H
PX0H 00[3] x000 0000
H
PSRH
Bit address FF
FE
FD
FC
FB
FA
F9
F8
IP1*
Interrupt priority 1
F8H PADEE PST
-
PCCU PSPI
PC
PKBI
PI2C 00[3] 00x0 0000
IP1H
Interrupt priority 1 high
F7H PAEEH PSTH
-
PCCUH PSPIH PCH PKBIH PI2CH 00[3] 00x0 0000
KBCON Keypad control register
94H
-
-
-
-
-
-
PATN
KBIF 00[3] xxxx xx00
_SEL
KBMASK Keypad interrupt mask
86H
register
00
0000 0000
KBPATN Keypad pattern register
93H
FF
1111 1111
OCRAH Output compare A register
high
EFH
00
0000 0000
OCRAL
Output compare A register
low
EEH
00
0000 0000
OCRBH Output compare B register
high
FBH
00
0000 0000
OCRBL Output compare B register
FAH
low
00
0000 0000
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