Samsung YP-P10 User Manual Page 294

  • Download
  • Add to my manuals
  • Print
  • Page
    / 596
  • Table of contents
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 293
S3C2440A RISC MICROPROCESSOR I/O PORTS
9-21
PORT H CONTROL REGISTERS (GPHCON, GPHDAT)
Register Address R/W Description Reset Value
GPHCON 0x56000070 R/W Configures the pins of port H 0x0
GPHDAT 0x56000074 R/W The data register for port H Undef.
GPHUP 0x56000078 R/W pull-up disable register for port H 0x000
Reserved 0x5600007c
GPHCON Bit Description
GPH10 [21:20] 00 = Input 01 = Output
10 = CLKOUT1 11 = Reserved
GPH9 [19:18] 00 = Input 01 = Output
10 = CLKOUT0 11 = Reserved
GPH8 [17:16] 00 = Input 01 = Output
10 = UEXTCLK 11 = Reserved
GPH7 [15:14] 00 = Input 01 = Output
10 = RXD[2] 11 = nCTS1
GPH6 [13:12] 00 = Input 01 = Output
10 = TXD[2] 11 = nRTS1
GPH5 [11:10] 00 = Input 01 = Output
10 = RXD[1] 11 = Reserved
GPH4 [9:8] 00 = Input 01 = Output
10 = TXD[1] 11 = Reserved
GPH3 [7:6] 00 = Input 01 = Output
10 = RXD[0] 11 = reserved
GPH2 [5:4] 00 = Input 01 = Output
10 = TXD[0] 11 = Reserved
GPH1 [3:2] 00 = Input 01 = Output
10 = nRTS0 11 = Reserved
GPH0 [1:0] 00 = Input 01 = Output
10 = nCTS0 11 = Reserved
GPHDAT Bit Description
GPH[10:0] [10:0] When the port is configured as an input port, the corresponding bit is the
pin state. When the port is configured as an output port, the pin state is the
same as the corresponding bit.
When the port is configured as functional pin, the undefined value will be
read.
GPHUP Bit Description
GPH[10:0] [10:0] 0: The pull up function attached to the corresponding port pin is enabled.
1: The pull up function is disabled.
Page view 293
1 2 ... 289 290 291 292 293 294 295 296 297 298 299 ... 595 596

Comments to this Manuals

No comments