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SPAKMC332CFC20 Datasheet(PDF) 10 Page - Freescale Semiconductor, Inc |
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SPAKMC332CFC20 Datasheet(HTML) 10 Page - Freescale Semiconductor, Inc |
10 / 88 page MOTOROLA MC68332 10 MC68332TS/D 2 Signal Descriptions 2.1 Pin Characteristics The following table shows MCU pins and their characteristics. All inputs detect CMOS logic levels. All inputs can be put in a high-impedance state, but the method of doing this differs depending upon pin function. Refer to the table, MCU Driver Types, for a description of output drivers. An entry in the dis- crete I/O column of the MCU Pin Characteristics table indicates that a pin has an alternate I/O function. The port designation is given when it applies. Refer to the MCU Block Diagram for information about port organization. Table 2 MCU Pin Characteristic Pin Mnemonic Output Driver Input Synchronized Input Hysteresis Discrete I/O Port Designation ADDR23/CS10/ECLK A Y N O — ADDR[22:19]/CS[9:6] A Y N O PC[6:3] ADDR[18:0] A Y N — — AS B Y N I/O PE5 AVEC B Y N I/O PE2 BERR BY N — — BG/CS1 B — — — — BGACK/CS2 B Y N — — BKPT/DSCLK — Y Y — — BR/CS0 BY N — — CLKOUT A — — — — CSBOOT B — — — — DATA[15:0]1 Aw Y N — — DS B Y N I/O PE4 DSACK1 B Y N I/O PE1 DSACK0 B Y N I/O PE0 DSI/IFETCH AY Y — — DSO/IPIPE A— — — — EXTAL2 — — Special — — FC[2:0]/CS[5:3] A Y N O PC[2:0] FREEZE/QUOT A — — — — HALT Bo Y N — — IRQ[7:1] B Y Y I/O PF[7:1] MISO Bo Y Y I/O PQS0 MODCLK1 B Y N I/O PF0 MOSI Bo Y Y I/O PQS1 PCS0/SS Bo Y Y I/O PQS3 PCS[3:1] Bo Y Y I/O PQS[6:4] R/W AY N — — RESET Bo Y Y — — RMC B Y N I/O PE3 RXD — N N — — SCK Bo Y Y I/O PQS2 SIZ[1:0] B Y N I/O PE[7:6] Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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