Sharp SD-PX2 Manuel d'utilisateur Page 51

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Support Information
M9328MX21ADSE Users Manual, Rev. A
Freescale Semiconductor 3-23
Figure 3-12. NAND Flash Connector PM2 (on the CPU) Pin Assignments
Table 3-11. NAND Flash Connector PM1 Signal Descriptions
Pin(s) Signal Description
1 P1.8V +1.8 VDC power
2 NC Not Connect
3TP26Test point
4 NFRB NAND FLASH READY/BUSY
5 P2.5V + 2.5 VDC power
6 NFRE_B NAND FLASH READ ENABLE
7TP27Test point
8 NFCE_B NAND FLASH CHIP ENABLE
9 VCC +3 VDC power
10 NFCLE NAND FLASH COMMAND LATCH ENABLE
11 NC Not Connect
12 NFALE NAND FLASH ADDRESS LATCH ENABLE
13 NC Not Connect
14 NFWE_B NAND FLASH WRITE ENABLE
15 NC Not Connect
16 NFWP_B NAND FLASH WRITE PROTECT
17 GND GOUND
18 GND GOUND
19 GND GOUND
20 GND GOUND
23 NFIO4 NAND FLASH I/O BIT 4 — Bidirectional data transfer signal
24 A14 NFIO9 NAND FLASH I/O BIT 9 — Bidirectional data transfer signal*
25 NFIO5 NAND FLASH I/O BIT 5 — Bidirectional data transfer signal
26 A13 NFIO8 NAND FLASH I/O BIT 8 — Bidirectional data transfer signal*
27 NFIO6 NAND FLASH I/O BIT 6 — Bidirectional data transfer signal
28, 30 GND GROUND
29 NFIO7 NAND FLASH I/O BIT 7 — Bidirectional data transfer signal
*The signal name in italics is the function intended for operation with this connector.
It is multiplexed in the i.MX21 processor with the listed signal.
PM2
NC 1 2NC
NFIO0 3 4A25
NFIO1 5 6A24
NFIO2 7 8A23
NFIO3 9 10 A22
NFIO4 11 12 A21
NFIO5 13 14 A15
NFIO6 15 16 A14
NFIO7 17 18 A13
GND 19 20 GND
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