SPMC68CK338CPV14 datasheet(10/133 Pages) FREESCALE

10 / 133 page

MOTOROLA

MC68CK338

MC68CK338TS/D

2.5 Signal Function

RESET

SIML

Input/Output

RMC

SIML

Output

R/W

SIML

Output

RXD

QSM

Input

—

SCK

QSM

Input/Output

—

SIZ[1:0]

SIML

Output

—

QSM

Input

TSC

SIML

Input

—

TXD

QSM

Output

—

XFC

SIML

Input

—

XRTC

CTM6

Output

—

XTAL

SIML

Output

—

Table 6 MCU Signal Function

Signal Name

Mnemonic

Function

Address Bus

ADDR[23:0]

24-bit address bus

Address Strobe

Indicates that a valid address is on the address bus

Autovector

AVEC

Requests an automatic vector during interrupt acknowledge

Bus Error

BERR

Signals a bus error to the CPU

Bus Grant

Indicates that the MCU has relinquished the bus

Bus Grant

Acknowledge

BGACK

Indicates that an external device has assumed bus mastership

Breakpoint

BKPT

Signals a hardware breakpoint to the CPU

Bus Request

Indicates that an external device requires bus mastership

System Clockout

CLKOUT

System clock output

Chip Selects

CS[10:0]

Select external devices at programmed addresses

Boot Chip Select

CSBOOT

Chip select for external boot startup ROM

Configurable Timer

Double-Action

CTD[29:26],

CTD[10:4]

Double-action submodule (DASM) signals.

Can also be used as general purpose I/O pins

Configurable Timer

Modulus Counter

Load

CTM31L

External load for modulus counter.

Can also be used as general purpose input

RTC Configurable

Timer Oscillator

EXRTC, XRTC

CTM real time clock oscillator input/output

Configurable Timer

Port Input/Output

CTIO[5:0]

General-purpose I/O pins

Configurable Timer

Single-Action

CTS24[B:A]

CTS18[B:A]

CTS14[B:A]

Single-action submodule (SASM) signals.

Can also be used as general purpose I/O pins

Crystal Oscillator

EXTAL, XTAL

Connections for clock synthesizer circuit reference; a crystal or an

external oscillator can be used

Data Bus

DATA[15:0]

16-bit data bus

Table 5 MCU Signal Characteristics (Continued)

Signal Name

MCU Module

Signal Type

Active State

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

SPMC68CK338CPV14 Datasheet(PDF) 10 Page - Freescale Semiconductor, Inc

SPMC68CK338CPV14 Datasheet(HTML) 10 Page - Freescale Semiconductor, Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL