Samsung YP-P10 User Manual download pdf (Page 287)

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101

I/O PORTS S3C2440A RISC MICROPROCESSOR

9-14

PORT D CONTROL REGISTERS (GPDCON, GPDDAT, GPDUP)

GPDCON 0x56000030 R/W Configures the pins of port D 0x0

GPDDAT 0x56000034 R/W The data register for port D Undef.

GPDUP 0x56000038 R/W Pull-up disable register for port D 0xf000

Reserved 0x5600003c – – –

GPDCON Bit Description

GPD15 [31:30] 00 = Input 01 = Output

10 = VD[23] 11 = nSS0

GPD14 [29:28] 00 = Input 01 = Output

10 = VD[22] 11 = nSS1

GPD13 [27:26] 00 = Input 01 = Output

10 = VD[21] 11 = Reserved

GPD12 [25:24] 00 = Input 01 = Output

10 = VD[20] 11 = Reserved

GPD11 [23:22] 00 = Input 01 = Output

10 = VD[19] 11 = Reserved

GPD10 [21:20] 00 = Input 01 = Output

10 = VD[18] 11 = SPICLK1

GPD9 [19:18] 00 = Input 01 = Output

10 = VD[17] 11 = SPIMOSI1

GPD8 [17:16] 00 = Input 01 = Output

10 = VD[16] 11 = SPIMISO1

GPD7 [15:14] 00 = Input 01 = Output

10 = VD[15] 11 = Reserved

GPD6 [13:12] 00 = Input 01 = Output

10 = VD[14] 11 = Reserved

GPD5 [11:10] 00 = Input 01 = Output

10 = VD[13] 11 = Reserved

GPD4 [9:8] 00 = Input 01 = Output

10 = VD[12] 11 = Reserved

GPD3 [7:6] 00 = Input 01 = Output

10 = VD[11] 11 = Reserved

GPD2 [5:4] 00 = Input 01 = Output

10 = VD[10] 11 = Reserved

GPD1 [3:2] 00 = Input 01 = Output

10 = VD[9] 11 = Reserved

GPD0 [1:0] 00 = Input 01 = Output

10 = VD[8] 11 = Reserved

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