GPIO Expansion
PHYTEC Meßtechnik GmbH 2004 L-657e_0
71
Pin Number
Signal
I/O
Comments
Pin row X17A
50A,
51A
DREQ_0
DREQ_1
O
DMA request singal
DREQ0 alternative: GPIO 20
DREQ1 alternative: GPIO 19
53A,
54A
/SDCKE_0
/SDCKE_1
O
Clock enable for synchronous memory
55A,
56A
/SDCLK_0
/SDCLK_1
O
Clock signal for synchronous memory
58A,
59A
/PCE_1
/PCE_2
I/O
PCMCIA Chip Select resp. byte control
signal,
alternative: GPIO52/53
60A
/PWAIT
I/O
PCMCIA wait signal,
alternative: GPIO56
61A
/IOIS16
I/O
PCMCIA 16-bit access
alternative: GPIO57
63A
/PREG
I/O
PCMCIA register control signal
alternative: GPIO55
64A
/LAN_CS
I
I/O Chip Select for LAN controller
65A
/LAN_DATA
I
DATA Chip Select for LAN controller
66A
LAN_RDY
O
Ready output of LAN controller
68A
L_PCLK
I/O
LCD pixel clock
alternative: GPIO76
69A
L_LCLK
I/O
LCD line clock
alternative: GPIO75
70A
L_FCLK
I/O
LCD frame clock
alternative: GPIO74
71A
L_BIAS
I/O
LCD enable
alternative: GPIO77
73A, 74A,
75A, 76A,
78A,
79A,
80A
L_DD3, L_DD5
L_DD6, L_DD8,
L_DD11,
L_DD13
L_DD14
I/O
LCD data
alternative: GPIO61, GPIO63, GPIO64,
GPIO66, GPIO69, GPIO71, GPIO72
Summary of Contents for phyCORE-PXA255
Page 8: ...Development Board for phyCORE PXA255 PHYTEC Me technik GmbH 2004 L 657e_0...
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Page 101: ...Appendices PHYTEC Me technik GmbH 2004 L 657e_0 93 Appendices A AI Hardware Revision...
Page 102: ...Development Board for phyCORE PXA255 94 PHYTEC Me technik GmbH 2004 L 657e_0...
Page 106: ...Published by PHYTEC Me technik GmbH 2004 Ordering No L 657e_0 Printed in Germany...