User`s guide

Intel
®
StrongARM
®
SA-1110 Microprocessor Development Board User’s Guide 4-5
Hardware Considerations
Note: GPIO 0 and GPIO 1 are the only wake up events that can cause the SA-1110 to come out of sleep
mode if sleep mode was entered as a result of VDD_FAULT or BATT_FAULT signals.
Table 4-2. GPIO Usage for Intel
®
StrongARM
®
Platforms
GPIO
SA-1100 Development
Platform
a
a. Order number DE–1S110–OA
SA-1100 Multimedia and SA-1101
Development Boards
b
b. Order number DE–1S110–OC
SA-1110 Development Platform
27 32 KHz Out 3.68 MHz Out 3.68M_32K
26 RCLK_Out GPIO or RCLK_Out VBATT_LOW_IRQ/RCLK
25 KBC_ATN# Keypad IRQ/Xbus_spare SA111_IRQ_CF_BVD1
24 KBC_WUKO SideKick IRQ GFX_IRQ_CF_BVD2
23 KBC_WKUP# UCB_IRQ UCB1300_IRQ
22 IRQ_C# nMBREQ nMBREQ_CF_CardDetect
21 IRDA_SD nMBGNT nMBGNT_CF_IRQ
20 LED_RED# I2C SDA UART3_CLK/SPARE
19 SDLC_GPI I2C SCL STEREO_64FS_CLK
18 SDLC_HSKI FIFO_IRQ L3_I2C_SCL
17 SDLC_AAF Xbus_spare L3_MODE (LED)
16 SDLC_HSKO Xbus_spare PS_MODE_SYNC
15 UART_RXD UART_RXD L3_I2C_SDA
14 UART_TXD UART_TXD RADIO_IRQ
13 SSP_SFRM Header SSP_SFRM/spare SSP_UDA1341_SFRM
12 SSP_SCLK Header SSP_SCLK/spare SSP_UDA1341_SCLK
11 SSP_RXD Header SSP_RXD/spare SSP_UDA1341_RxD
10 SSP_TXD Header SSP_TXD/spare SSP_UDA1341_TxD
9 LCD_D15/LED_GRN1# LCD_D15 LCD_D15_CNFG7
8 LCD_D14/LED_GRN2# LCD_D14 LCD_D14_CNFG6
7 LCD_D13/P1_F1# LCD_D13 LCD_D13_CNFG5
6 LCD_D12/P1_IREQ# LCD_D12 LCD_D12_CNFG4
5 LCD_D11/P1_STSCHG# LCD_D11 LCD_D11_CNFG3
4 LCD_D10/P0_F1# LCD_D10 LCD_D10_CNFG2
3 LCD_D9/P0_IREQ# LCD_D9 LCD_D9_CNFG1
2 LCD_D8/P0_STSCHG# LCD_D8 LCD_D8_CNFG0
1 SW1 SW1/SW 7:0_IRQ/alt FIFO IRQ ON_OFF_SW2_or_FIQ
0 SW0 SW0/DSP_IRQ/SW 7:0_IRQ ON_OFF_SW1