SPMCK16Z4MPV20 datasheet(45/500 Pages) FREESCALE

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M68HC16 Z SERIES

OVERVIEW

USER’S MANUAL

3-11

3.4 Pin Descriptions

The following tables are a summary of the functional characteristics of M68HC16 Z-

series MCU pins. Table 3-1 shows all inputs and outputs. Digital inputs and outputs

use CMOS logic levels. An entry in the “Discrete I/O” column indicates that a pin can

also be used for general-purpose input, output, or both. The I/O port designation is giv-

en when it applies. Refer to Figure 3-1 for port organization. Table 3-2 shows types

of output drivers. Table 3-3 shows characteristics of power pins.

Table 3-1 M68HC16 Z-Series Pin Characteristics

Mnemonic

Output

Driver

Input

Synchronized

Input

Hysteresis

Discrete

I/O

Port

Designation

ADDR23/CS10/ECLK

—

ADDR[22:19]/CS[9:6]

PC[6:3]

ADDR[18:0]

—

AN[7:0]1

—

PADA[7:0]

I/O

PE5

AVEC

I/O

PE2

BERR

—

BG/CS1

—

BGACK/CS2

—

BKPT/DSCLK

—

BR/CS0

—

CLKOUT

—

CSBOOT

—

DATA[15:0]1

—

I/O

PE4

DSACK[1:0]

I/O

PE[1:0]

DSI/IPIPE1

—

DSO/IPIPE0

—

EXTAL2

—

Special

—

FC[2:0]/CS[5:3]

PC[2:0]

FREEZE/QUOT

—

HALT

—

IC4/OC5

I/O

PGP7

IC[3:1]

I/O

PGP[2:0]

IRQ[7:1]

I/O

PF[7:1]

MISO

I/O

PQS0

MISO3

I/O

PMC0

MODCLK1

I/O

PF0

MOSI

I/O

PQS1

MOSI3

I/O

PMC1

OC[4:1]

I/O

PGP[6:3]

PAI4

—Y

—

Freescale Semiconductor, Inc.

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