Signal DescriptionsMCF5272 ColdFire ® Integrated Microprocessor User’s Manual, Rev. 3Freescale Semiconductor 19-13D8 A16 — — — A16 A16 OD9 A15 — — — A15 A15 OD10 A0 — — — A0 A0 OD11 D14 PC14 — — D14/PC14 D14/port C bit 14 I/OD12 A10 SDA9 SDA8 — A10/SDA9/SDA8 A10/SDRAM-16bitA9/SDRAM-32bit A8OD13 SDCLKE — — — SDCLKE SDRAM clock enable OD14 A10_PRECHG — — — A10_PRECHG SDRAM A10_Precharge OE1 PA6 USB_RxD — — PA6/USB_RxD Port A bit 6/USB receivedata outputI/OE2 PA5 USB_TxEN — — PA5/USB_TxEN Port A bit 5/USBtransmitter enableI/OE3 PA4 USB_Susp— — PA4/USB_Susp Port A bit 4/Suspend USB driverI/OE4 PA3 USB_TN — — PA3/USB_TN Port A bit 3/USB Tx negativeI/OE5 PA2 USB_RN — — PA2/USB_RN Port A bit 2/USB Rx negativeI/OE6 TEST – — — TEST Device test mode enable IE7 GND Ground — — GNDE8 GND Ground — — GNDE9 A22 – — — A22 A22 OE10 D15 PC15 — — D15/PC15 D15/port C bit 15 I/OE11 D13 PC13 — — D13/PC13 D13/port C bit 13 I/OE12 BS2 — — — BS2 Byte strobe 2 OE13 BS3 — — — BS3 Byte strobe 3 OE14 SDCLK — — — SDCLK SDRAM (bus) clock,Same frequency as CPUclockOF1 USB_D+ — — — USB_D+ USB line driver high,analogOF2 USB_D- — — — USB_D- USB line driver low,analogOF3 PB5 TA — — PB5/TA Port B bit 5/TransferacknowledgeI/OF4 RSTO — — — RSTO Reset output strobe OF5 VDD +3.3V — — VDDTable 19-2. Signal Name and Description by Pin Number (Sheet 3 of 8)MapBGAPinPin FunctionsName Description I/O0 (Reset) 1 2 3
