Manual

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6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

Table 21-3. EBI Pins and External Devices Connections

Signals

Pins of the Interfaced Device

SDRAM Mobile DDR

Burst

CellularRAM

CompactFlash

True IDE Mode

NAND Flash

Controller DDR/SDRAMC DDR/SDRAMC BCRAMC SMC

D0 - D7 D0 - D7 D0 - D7 D0 - D7 D0 - D7 D0 - D7 AD0-AD7

D8 - D15 D8 - D15 D8 - D15 D8 - D15 D8 - D15 D8 - D15 AD8-AD15

D16 - D31 D16 - D31–––––

A0/NBS0 DQM0 DQM0 DQM0 A0 A0 –

A1/NWR2/NBS2 DQM2 – DQM2 A1 A1 –

A2 - A10 A[0:8] A[0:8] A[0:8] A[2:10] A[2:10] –

A11 A9A9A9 – – –

SDA10 A10A10––––

A12 ––A10–––

A13 - A14 A[11:12] A[11:12] A[11:12] – – –

A15 –A13A13–––

A16/BA0 BA0 BA0 A14 – – –

A17/BA1 BA1 BA1 A15 – – –

A18 - A20 – – A[16:18] – – –

A21 – – A19 – – ALE

(3)

A22 – – A20 REG REG CLE

(3)

A23 - A24 – – A[21:22] – – –

A25 – – A23 CFRNW

(1)

CFRNW

(1)

–

NCS0 ––––––

NCS1/BCCS – – CS – – –

NCS2 ––––––

NCS3/NANDCS––––––

NCS4/CFCS0 – – – CFCS0

(1)

CFCS0

(1)

–

NCS5/CFCS1 – – – CFCS1

(1)

CFCS1

(1)

–

SDCS CSCS––––

NANDOE –––––OE

NANDWE –––––WE

NRD/CFOE –––OE––

NWR0/NWE/CFWE – – – WE WE –

NWR1/NBS1/CFIOR DQM1 DQM1 DQM1 IOR IOR –

NWR3/NBS3/CFIOW DQM3 – DQM3 IOW IOW –

CFCE1 – – – CE1 CS0 –

CFCE2 – – – CE2 CS1 –

BCCK ––CLK–––