Port1 control register – Samsung S3F401F User Manual
Page 161

I/O PORTS
S3F401F_UM_REV1.00
8-12
PORT1 Control Register
PCON1L (0x00C)
Access: Read/Write
31 30 29 28 27 26 25 24
P1.15 [31:30]
P1.14[29:28]
P1.13[27:26]
P1.12[25:24]
R/W-0 R/W-0 R/W-0
R/W-0
R/W-0 R/W-0 R/W-0 R/W-0
23 22 21 20 19 18 17 16
P1.11[23:22]
P1.10[21:20]
P1.9[19:18]
P1.8[17:16]
R/W-0 R/W-0 R/W-0
R/W-0
R/W-0 R/W-0 R/W-0 R/W-0
15 14 13 12 11 10 9 8
P1.7[15:14]
P1.6[13:12]
P1.5[11:10]
P1.4[9:8]
R/W-0 R/W-0 R/W-0
R/W-0
R/W-0 R/W-0 R/W-0 R/W-0
7 6 5 4 3 2 1 0
P1.3[7:6]
P1.2[5:4]
P1.1[3:2]
P1.0[1:0]
R/W-0 R/W-0 R/W-0
R/W-0
R/W-0 R/W-0 R/W-0 R/W-0
W: Write
R: Read
-0: 0 After reset
-1: 1 After reset
-U: Undefined after reset
P1.0 PORT
1.0
00 = Input Mode
General IO port
Schmitt-trigger
01 = Output Mode
General IO port
−
10 = UARTRX0
UART0 Input port
−
11 = INT0
Interrupt Signal input port
−
P1.1 PORT
1.1
00 = Input Mode
General IO port
Schmitt-trigger
01 = Output Mode
General IO port
−
10 = UARTTX0
UART0 output port
−
11 = INT1
Interrupt Signal input port
−
P1.2 PORT
1.2
00 = Input Mode
General IO port
Schmitt-trigger
01 = Output Mode
General IO port
−
10 = UARTRX1
UART1 input port
−
11 = INT2
Interrupt Signal input port
−
P1.3 PORT
1.3
00 = Input Mode
General IO port
Schmitt-trigger
01 = Output Mode
General IO port
−
10 = UARTTX1
UART1 output port
−
11 = INT3
Interrupt Signal input port
−