Samsung Microcassette Recorder 8-Bit CMOS Microcontroller Benutzerhandbuch
CONTROL REGISTERS
S3C9228/P9228
4-2
Table 4-1. System and Peripheral Control Registers (Page 0)
Register Name
Mnemonic
Address (Page 0)
R/W
Decimal
Hex
Port 0 Control Register
P0CON
235
EBH
R/W
Port 0 Pull-up Resistor Enable Register
P0PUR
236
ECH
R/W
Port 0 Interrupt Control Register
P0INT
237
EDH
R/W
Port 0 Interrupt Edge Selection Register
P0EDGE
238
EEH
R/W
Port 1 Control Register
P1CON
239
EFH
R/W
Port 1 Pull-up Resistor Enable Register
P1PUR
240
F0H
R/W
Port 1 Interrupt Control Register
P1INT
241
F1H
R/W
Port 1 Interrupt Edge Selection Register
P1EDGE
242
F2H
R/W
Port 2 Control Register
P2CON
243
F3H
R/W
Port 2 Pull-up Resistor Enable Register
P2PUR
244
F4H
R/W
Port 3 Control Register
P3CON
245
F5H
R/W
Port 3 Pull-up Resistor Enable Register
P3PUR
246
F6H
R/W
Port 3 Interrupt Control Register
P3INT
247
F7H
R/W
Port 3 Interrupt Edge Selection Register
P3EDGE
248
F8H
R/W
Port 4 Control Register (High Byte)
P4CONH
249
F9H
R/W
Port 4 Control Register (Low Byte)
P4CONL
250
FAH
R/W
Port 5 Control Register (High Byte)
P5CONH
251
FBH
R/W
Port 5 Control Register (Low Byte)
P5CONL
252
FCH
R/W
Port 6 Control Register
P6CON
253
FDH
R/W
LCD Mode Register
LMOD
254
FEH
R/W
Location FFH is not mapped.