Freescale Semiconductor M9328MX21ADSE SSI3TXD, SSI3RXD, SSI2TXD, SSI2RXD, SSI1TXD, SSI1RXD, Sapfs

			Support Information
		Table 3-2. CPU to Base Board PX2/PY2 Connector Signals (continued)
	Pin(s)	Signal	Description
	30	SSI3_TXD	SYCHRONOUS SERIAL INTERFACE TRANSMITTED DATA — Serial output signal
	31	SSI3_RXD	SYCHRONOUS SERIAL INTERFACE RECEIVED DATA — Serial input signal
	32	SSI3_FS	SYCHRONOUS SERIAL INTERFACE FRAME SYNC
	33	SSI2_CLK	SYCHRONOUS SERIAL INTERFACE TRANSMITTER CLOCK — Bidirectional, output in
			master mode and input in slave mode
	34	SSI2_TXD	SYCHRONOUS SERIAL INTERFACE TRANSMITTED DATA — Serial output signal
	35	SSI2_RXD	SYCHRONOUS SERIAL INTERFACE RECEIVED DATA — Serial input signal
	36	SSI2_FS	SYCHRONOUS SERIAL INTERFACE FRAME SYNC
	37	SSI1_CLK	SYCHRONOUS SERIAL INTERFACE TRANSMITTER CLOCK — Bidirectional, output in
			master mode and input in slave mode
	38	SSI1_TXD	SYCHRONOUS SERIAL INTERFACE TRANSMITTED DATA — Serial output signal
	39	SSI1_RXD	SYCHRONOUS SERIAL INTERFACE RECEIVED DATA — Serial input signal
	40	SSI1_FS	SYCHRONOUS SERIAL INTERFACE FRAME SYNC
	41	SAP_CLK	SYCHRONOUS AUDIO PORT CLOCK — Serial transmit clock, bidirectional, output in
			master mode, input in slave mode
	42	SAP_RXD	SYCHRONOUS AUDIO PORT RECEIVED DATA — Serial data input
	43	SAP_FS	SYCHRONOUS AUDIO PORT FRAME SYNC — Bidirectional, output in master mode,
			input in slave mode
	44	SAP_TXD	SYCHRONOUS AUDIO PORT TRANMITTED DATA — Serial data output
	45	CSPI1_MOSI	MASTER OUT / SLAVE IN — CSPI data signal (bidirectional)
	46	CSPI1_MISO	MASTER IN / SLAVE OUT — CSPI data signal (bidirectional)
	47	CSPI1_SCLK	SERIAL CLOCK — Bidirectional
	48	CSPI1_SS0	SLAVE SELECT 0 — CSPI signal (bidirectional)
	49	CSPI1_SS1	SLAVE SELECT 1 — CSPI signal (bidirectional)
	50	CSPI1_SS2	SLAVE SELECT 2 — CSPI signal (bidirectional)
	51	CSPI1_RDY	READY — CSPI serial burst trigger, active low input
	53	CSPI2_MOSI	MASTER OUT / SLAVE IN — CSPI data signal (bidirectional)
	54	CSPI2_MISO	MASTER IN / SLAVE OUT — CSPI data signal (bidirectional)
	55	CSPI2_SCLK	SERIAL CLOCK — Bidirectional
	56	CSPI2_SS0	SLAVE SELECT 0 — CSPI signal (bidirectional)
	57	CSPI2_SS1	SLAVE SELECT 1 — CSPI signal (bidirectional)
	58	CSPI2_SS2	SLAVE SELECT 2 — CSPI signal (bidirectional)
	59, 60	P5V	Swithched +5 VDC power
			M9328MX21ADSE User’s Manual, Rev. A
Freescale Semiconductor			3-9