Filter
Top Products
4-6 Intel® PXA26x Processor Family Developer’s Manual
System Integration Unit
GP66
LDD[8] ALT_FN_2_OUT 10 LCD Controller LCD data pin 8
MBREQ ALT_FN_1_IN 01 Memory Controller
memory controller alternate bus
master req
GP67
LDD[9] ALT_FN_2_OUT 10 LCD Controller LCD data pin 9
MMCCS0 ALT_FN_1_OUT 01
Multimedia Card
(MMC) Controller
MMC Chip Select 0
GP68
MMCCS1 ALT_FN_1_OUT 01
Multimedia Card
(MMC) Controller
MMC Chip Select 1
LDD[10] ALT_FN_2_OUT 10 LCD Controller LCD data pin 10
GP69
MMCCLK ALT_FN_1_OUT
01
Multimedia Card
(MMC) Controller
MMC_CLK
LDD[11] ALT_FN_2_OUT 10 LCD Controller LCD data pin 11
GP70
RTCCLK ALT_FN_1_OUT
01
System Integation
Unit
Real Time clock (1 Hz)
LDD[12] ALT_FN_2_OUT 10 LCD Controller LCD data pin 12
GP71
3.6 MHz ALT_FN_1_OUT
01
Clocks & Power
Manager Unit
3.6-MHz Oscillator clock
LDD[13] ALT_FN_2_OUT 10 LCD Controller LCD data pin 13
GP72
32 KHz ALT_FN_1_OUT
01
Clocks & Power
Manager Unit
32-KHz clock
LDD[14] ALT_FN_2_OUT 10 LCD Controller LCD data pin 14
GP73
LDD[15] ALT_FN_2_OUT 10 LCD Controller LCD data pin 15
MBGNT ALT_FN_1_OUT 01 Memory Controller Memory controller grant
GP74
LCD_FCLK ALT_FN_2_OUT 10
LCD Controller
LCD Frame clock
GP75
LCD_LCLK ALT_FN_2_OUT 10 LCD line clock
GP76
LCD_PCLK ALT_FN_2_OUT 10 LCD Pixel clock
GP77
LCD_ACBIAS ALT_FN_2_OUT 10 LCD AC Bias
GP78
nCS[2] ALT_FN_2_OUT 10 Memory Controller Active low chip select 2
GP79
nCS[3] ALT_FN_2_OUT 10 Active low chip select 3
GP80
nCS[4] ALT_FN_2_OUT 10 Active low chip select 4
GP81
NSSPSCLK ALT_FN_1_IN 01 Network SSP NSSP Serial clock is input
NSSPSCLK ALT_FN_1_OUT 01 NSSP Serial clock is output
GP82
NSSPSFRM ALT_FN_1_IN 01 NSSP frame is input
NSSPSFRM ALT_FN_1_OUT 01 NSSP frame is output
GP83
NSSPTXD ALT_FN_1_OUT 01 NSSP transmit
NSSPRXD ALT_FN_2_IN 10 NSSP receive
GP84
NSSPTXD ALT_FN_1_OUT 01 NSSP transmit
NSSPRXD ALT_FN_2_IN 10 NSSP receive
Table 4-1. GPIO Alternate Functions (Sheet 4 of 5)
Pin
Alternate
Function Name
Alternate Function
Assignment
AF{n}
encoding
Source Unit Signal Description and comments