| PA0-PA31 |
AF0 |
Memory controller: Data bus |
|
|
|
| PB0-PB16 |
AF0 |
Memory controller: Address bus |
| PB17-PB18 |
OUTPUT |
? |
| PB19-PB24 |
AF0 |
Memory controller: SDRAM specific |
| PB25-PB26 |
AF0 |
Memory controller: Chip select |
| PB27 |
INT, HIGH/LOW |
MMC/SD detection, 1: Present |
| PB28 |
INPUT |
? |
| PB29 |
INT, LOW |
? |
| PB30 |
INPUT |
? |
| PB31 |
AF0 |
Memory controller: Write enable 0 |
|
|
|
| PC0-PC7 |
AF0 |
LCD controller: Data bus |
| PC8 |
OUTPUT |
? |
| PC9 |
OUTPUT |
LCD enable, 1: on |
| PC10-PC17 |
[17:10]=II_IIIIOI |
? |
| PC18-PC20 |
AF0 |
LCD controller: Clock & sync |
| PC21-PC22 |
OUTPUT |
? |
| PC23 |
INPUT |
u-boot: LCD Select: IO_C23=1 |
| PC24-PC26 |
AF0 |
Memory controller: Write enable 1-3 |
| PC27 |
OUTPUT |
MMC/SD power, active low |
| PC28-PC29 |
AF0 |
Memory controller: NAND RD&WR enables |
| PC30 |
INPUT |
Memory controller: NAND ready/busy |
| PC31 |
INPUT |
JTAG(SEL=0)/UART(SEL=1) select |
|
|
|
| PD0 |
INPUT |
Matrix keyboard: RT3 |
| PD1 |
INPUT |
Matrix keyboard: LT3/RT4 |
| PD2 |
INPUT/OUTPUT |
Matrix keyboard: LT7 |
| PD3 |
INPUT/OUTPUT |
Matrix keyboard: LT6 |
| PD4-PD6 |
INPUT |
? |
| PD7 |
OUTPUT/INPUT |
Matrix keyboard: RT7 |
| PD8-PD13 |
AF0 |
MMC/SD controller |
| PD14 |
INPUT |
? |
| PD15 |
INPUT |
Matrix keyboard: LT5/RT6 |
| PD16 |
INPUT |
? |
| PD17 |
INPUT |
Matrix keyboard: LT4/RT5 |
| PD18-PD21 |
AF0 |
SSI |
| PD22-PD24 |
INPUT |
? |
| PD25-PD26 |
AF1 |
UART0 |
| PD27 |
AF0/OUTPUT |
PWM4 output, LCD backlight |
| PD28 |
OUTPUT |
? |
| PD29 |
AF1/0 |
Power button, 0: Pressed |
| PD30 |
INPUT |
? |
| PD31 |
OUTPUT |
? |