TCC76x
Specification Rev. 0.07
February 23, 2005
32-bit RISC Microprocessor for Digital Media Player
GPIO PORT
Preliminary
7-5
LCD [20:17]
GPIO_B[20:17] Function Select
0
GPIO_B[20:17] pin is working as Normal GPIO Function
LCD[3] = 1
LCD[2] = 1
LCD[1] = 1
LCD[0] = 1
GPIO_B[20] pin is working as AC_BIAS of LCD block
GPIO_B[19] pin is working as PXCLK of LCD block
GPIO_B[18] pin is working as VSYNC of LCD block
GPIO_B[17] pin is working as HSYNC of LCD block
* These fields are valid only in TCC761.
GS3 [12:10]
GPIO_B[12:10] Function Select
0
GPIO_B[12:10] pin is working as Normal GPIO Function
GS3[2] = 1
GS3[1] = 1
GS3[0] = 1
GPIO_B[12] pin is working as FRM of GSIO3 block
GPIO_B[11] pin is working as SCK of GSIO3 block
GPIO_B[10] pin is working as SDO of GSIO3 block
* These fields are valid only in TCC761.
UTX [8]
GPIO_B[8] Function Select
0
GPIO_B[8] pin is working as Normal GPIO Function
1
GPIO_B[8] : UART TX signal of UART block
NWE [7]
GPIO_B[7] Function Select
0
GPIO_B[7] pin is working as Normal GPIO Function
1
GPIO_B[7] : ND_nWE (write enable for NAND flash)
IDE [6]
GPIO_B[6] Function Select
0
GPIO_B[6] pin is working as Normal GPIO Function
1
GPIO_B[6] : IDE_nCS1 (chip select for IDE device)
* These fields are valid only in TCC761.
CS [5:2]
GPIO_B[5:2] Function Select
0
GPIO_B[5:2] pin is working as Normal GPIO Function
CS[3] = 1
CS[2] = 1
CS[1] = 1
CS[0] = 1
GPIO_B[5] : nCS3 or ND_nOE3 of memory controller
GPIO_B[4] : nCS2 or ND_nOE2 of memory controller
GPIO_B[3] : nCS1 or ND_nOE1 of memory controller
GPIO_B[2] : nCS0 or ND_nOE0 of memory controller
SCS [1]
GPIO_B[1] Function Select
0
GPIO_B[1] pin is working as Normal GPIO Function
1
GPIO_B[1] : SD_nCS (chip select for SDRAM)
CKE [0]
GPIO_B[0] Function Select
0
GPIO_B[0] pin is working as Normal GPIO Function
1
GPIO_B[0] : SD_CKE (clock enable for SDRAM)
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
