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Support Information

M9328MX21ADSE User’s 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

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 63 64

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