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CONTROL REGISTERS
Register Name
Port 0 control High register
Port 0 control Low register
Port 0 interrupt control register
Port 0 interrupt pending register
Port 1 control High register
Port 1 control Low register
Port 2 control High register
Port 2 control Low register
Port 3 control High register
Port 3 control Low register
Timer B data register (high byte)
Timer B data register (low byte)
Timer B control register
Timer A control register
Timer A counter register
Timer A data register
Serial I/O control register
Serial I/O data register
Serial I/O pre-scale register
Oscillator control register
STOP control register
Port 1 pull-up control register
Port 0 data register
Port 1 data register
Port 2 data register
Port 3 data register
Port 4 data register
Port 5 data register
Basic timer data register
External memory timing register
Interrupt priority register
4-2
Table 4-2. Set 1, Bank 0 Registers
Mnemonic
P0CONH
P0CONL
P0INT
P0PND
P1CONH
P1CONL
P2CONH
P2CONL
P3CONH
P3CONL
TBDATAH
TBDATAL
TBCON
TACON
TACNT
TADATA
SIOCON
SIODATA
SIOPS
OSCCON
STPCON
P1PUP
P0
P1
P2
P3
P4
P5
Location FCH is factory use only.
BTCNT
EMT
IPR
S3C8248/C8245/P8245/C8247/C8249/P8249
Decimal
Hex
224
E0H
225
E1H
226
E2H
227
E3H
228
E4H
229
E5H
230
E6H
231
E7H
232
E8H
233
E9H
234
EAH
235
EBH
236
ECH
237
EDH
238
EEH
239
EFH
240
F0H
241
F1H
242
F2H
243
F3H
244
F4H
245
F5H
246
F6H
247
F7H
248
F8H
249
F9H
250
FAH
251
FBH
253
FDH
254
FEH
255
FFH
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R/W
R/W
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