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M9328MX21ADSE User’s Manual, Rev. A
3-8 Freescale Semiconductor
Table 3-2. CPU to Base Board PX2/PY2 Connector Signals
Pin(s) Signal Description
1 SD1_D3 SD/MMC DATA BIT 3 — Serial data bit to SD/MMC card, bidirectional
2, 8,
52, 61, 70
VCC +3.0 VDC power
3 SD1_D2 SD/MMC DATA BIT 2 — Serial data bit to SD/MMC card, bidirectional
4 SD1_CMD SD/MMC COMMAND — Serial command bit to SD/MMC card, bidirectional
5 SD1_D1 SD/MMC DATA BIT 1 — Serial data bit to SD/MMC card, bidirectional
6 SD1_CLK SD/MMC CLOCK — Clock output to SD/MMC card
7 SD1_D0 SD/MMC DATA BIT 0 — Serial data bit to SD/MMC card, bidirectional
9 SD2_CLK SD/MMC CLOCK — Clock output to SD/MMC card
10 SD2_CMD SD/MMC COMMAND — Serial command bit to SD/MMC card, bidirectional
11 SD2_D3 SD/MMC DATA BIT 3 — Serial data bit to SD/MMC card, bidirectional
12 SD2_D2 SD/MMC COMMAND — Serial command bit to SD/MMC card, bidirectional
13 SD2_D1 SD/MMC DATA BIT 1 — Serial data bit to SD/MMC card, bidirectional
14 SD2_D0 SD/MMC DATA BIT 2 — Serial data bit to SD/MMC card, bidirectional
15 CSI_HSYNC CMOS SENSOR INTERFACE HORIZONTAL SYNC— Control input
16 CSI_VSYNC CMOS SENSOR INTERFACE VERTICAL SYNC — Control input
17 CSI_PIXCLK CMOS SENSOR INTERFACE PIXAL CLOCK — Data latch strobe
18 CSI_MCLK CMOS SENSOR INTERFACE MASTER CLOCK — Clock output to sensor card
19 CSI_D7 CMOS SENSOR INTERFACE DATA 7— Image Sensor input data
20 CSI_D6 CMOS SENSOR INTERFACE DATA 6— Image Sensor input data
22 CSI_D5 CMOS SENSOR INTERFACE DATA 5— Image Sensor input data
21 CSI_D4 CMOS SENSOR INTERFACE DATA 4— Image Sensor input data
23 CSI_D3 CMOS SENSOR INTERFACE DATA 3— Image Sensor input data
24 CSI_D2 CMOS SENSOR INTERFACE DATA 2— Image Sensor input data
25 CSI_D1 CMOS SENSOR INTERFACE DATA 1— Image Sensor input data
26 CSI_D0 CMOS SENSOR INTERFACE DATA 0— Image Sensor input data
27 I2C_CLK I SQUARED C CLOCK — Serial clock, bidirectional
28 IS2_DATA I SQUARED C DATA — Serial data, bidirectional
29 SSI3_CLK
SYCHRONOUS SERIAL INTERFACE TRANSMITTER CLOCK — Bidirectional, output in
master mode and input in slave mode