Freescale Semiconductor M9328MX21ADSE user manual CPU to Option Card PK2 Connector Signals

Support Information

Table 3-4. CPU to Option Card PK2 Connector Signals

Pin(s)	Signal				Description
1, 60	VCC				+3.0 VDC power
2	NFIO1 PC_VS2				PCMCIA VOLTAGE SENSE 2 — Input signal to select card voltage*
3	NFIO0 PC_BVD1				PCMCIA BATTERY VOLTAGE DETECT 1 — Input signal to report battery status*
4	NFIO3 PC_WP				PCMCIA WRITE PROTECT — Input signal from the PCMCIA card*
5	NFIO2 PC_VS1				PCMCIA VOLTAGE SENSE 1 input signal to select PCMCIA card voltage*
6, 9	P2.5V				+ 2.5 VDC power
7	NFIO4 PC_READY				PCMCIA READY — Input signal to indicate the card is ready for access*
8	NFIO5 PC_WAIT				PCMCIA WAIT — Input signal to extend the current access*
10	NFIO7				PCMCIA CARD DETECT 1 — Input signal to indicate a card is inserted*
		PC_CD1
11	NFIO6				PCMCIA CARD DETECT 2 — Input signal to indicate a card is inserted*
		PC_CD2
12	NFRE_B				PCMCIA READ/WRITE — Data direction control, active low to write*
				PC_RW
13	NFWE_B PC_BVD2				PCMCIA BATTERY VOLTAGE DETECT 2 — Input signal to report battery status*
14, 53	P1.8V				+1.8 VDC power
15	NFALE				PCMCIA OUTPUT ENABLE — Output used to enable memory read data*
			PC_OE
16	NFCLE PC_POE				PCMCIA Buffer OUTPUT ENABLE — Output used tri-state control signals*
17	NFWP_B PC_CE2				PCMCIA CARD ENABLE 2 — Output used to enable odd bytes*
18	NFCE_B PC_CE1				PCMCIA CARD ENABLE 1 — Output used to enable even bytes*
19	NFRB PC_RST				PCMCIA RESET — Output to reset a card’s Configuration Option Register*
20	PC_PWRON				PCMCIA input to indicate card power is applied and stable
21	D23				DATA BIT 23 — Bidirectional data bit from the processor
22	D24				DATA BIT 24 — Bidirectional data bit from the processor
23	D22				DATA BIT 22 — Bidirectional data bit from the processor
24	D25				DATA BIT 25 — Bidirectional data bit from the processor
25	D21				DATA BIT 21 — Bidirectional data bit from the processor
26	D26				DATA BIT 26 — Bidirectional data bit from the processor
27	D20				DATA BIT 20 — Bidirectional data bit from the processor
28	D27				DATA BIT 27 — Bidirectional data bit from the processor
29	D19				DATA BIT 19 — Bidirectional data bit from the processor
30	D28				DATA BIT 28 — Bidirectional data bit from the processor
31	D18				DATA BIT 18 — Bidirectional data bit from the processor

	M9328MX21ADSE User’s Manual, Rev. A
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