Freescale Semiconductor M9328MX21ADSE UART3TXD, UART3CTS, Usbgrxdp, Usbgtxdp, P5V, USB Full Speed

Support Information

Table 3-1. CPU to Base Board PX1/PY1 Connector Signals (continued)

Pin(s)	Signal	Description
32	UART3_RTS	UART3 REQUEST TO SEND — Active low input signal
33	UART3_TXD	UART3 TRANSMITTED DATA — Serial output signal
34	UART3_CTS	UART3 CLEAR TO SEND — Active low output signal
35	USBG_RXDP	USB OTG RECEIVED DATA PLUS input
36	USBG_OE_B	USB OTG OUTPUT ENABLE
37	USBG_RXDM	USB OTG RECEIVED DATA MINUS input
38	USBG_ON_B	USB OTG transceiver ON
39	USBG_TXDP	USB OTG TRANSMITTED DATA PLUS output
40	USBG_FS	USB OTG FULL SPEED
41	USBG_TXDM	USB OTG TRANSMITTED DATA MINUS output
42	USBG_SCL	USB OTG SERIAL CLOCK
43	USBG_SDA	USB OTG SERIAL DATA
44, 45, 57	P5V	Swithched +5 VDC power
46	USBH1_FS	USB FULL SPEED
47	USBH1_TXDP	USB TRANSMITTED DATA PLUS output
48	USB_OC_B	USB OVER CURRENT input low.
49	USBH1_TXDM	USB TRANSMITTED DATA MINUS output
50	USBH1_OE_B	USB OUTPUT ENABLE
51	USBH1_RXDP	USB RECEIVED DATA PLUS input
52	USBH_ON_B	USB transceiver ON
53	USBH1_RXDM	USB RECEIVED DATA MINUS input
54	USB_PWR	USB POWER output.
55	USB_BYP_B	USB BY PASS input active low
56	USBOTG_EN	Not used
58	B_DQM3_EB3_B	BUFFERED ENABLE BYTE 3 — D[7:0] for SDRAM, D[31:24] for other memory types
59	TP22	Test point
60, 120	GND	GROUND
61	CLK_26	26 MHz clock from TV Encoder Card
63	UART1_RTS	UART1 REQUEST TO SEND — Active low input signal
64	UART1_CTS	UART1 CLEAR TO SEND — Active low output signal
65	UART1_RXD	UART1 RECEIVED DATA — Serial input signal

	M9328MX21ADSE User’s Manual, Rev. A
3-4	Freescale Semiconductor