AD6426 查看數據表（PDF） - Analog Devices

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AD6426

Enhanced GSM Processor

Analog Devices 

Preliminary Technical Information

AD6426

Group

General

Memory

Interface

SIM

Interface

EEPRROM

Interface

Display /

Backlight /

Keypad

Interface

Pin Name

CLKIN

RESET

IRQ6

OSC13MON

BOOTCODE

VDD

GND

ADD19 : 0

GPO10

DATA15 : 0

RD

HWR

LWR

WR

FLASHPWD

RAMCS

ROMCS

SIMCARD

SIMDATAOP

SIMDATAIP

SIMCLK

SIMRESET

SIMPROG

SIMSUPPLY

EEPROMDATA

EEPROMCLK

EEPROMEN

DISPLAYCS

LCDCTL

BACKLIGHT

KEYPADROW5 : 0

KEYPADCOL3 : 0

PIN FUNCTIONALITY ( Normal Mode)

Pins I/O Default / Alternative Function(s) *

1

I 13 MHz Clock Input

1

I Reset input

1

I / I Interrupt Request # 6 / Non-Maskable Interrupt (NMI) *

1

O 13 MHz Oscillator Power Control Signal

1

I Boot Code Enable

10

Supply Voltage

10

Ground

20

O Processor Address Bus

1 O / O General Purpose Output 10 / Address (20) *

16

I/O Processor Data Bus

1

O Processor Read Strobe

1

O Processor High Write Strobe / Upper Byte Strobe

1

O Processor Low Write Strobe / Lower Byte Strobe

1

O Processor Write Strobe

1 O / I / FLASH Power Down / WAIT / General Purpose Output

O 11*

1

O External RAM Chip Select

1

O External ROM Chip Select

1

I / SIM Card Detect / General Purpose I/O 16 *

I/O

1

O SIM Data Output

1

I SIM Data Input

1

O SIM Clock

1

O SIM Reset

1

O / SIM Program Enable / General Purpose I/O 15 *

I/O

1

O SIM Supply Enable

1

I/O EEPROM Data

1

O EEPROM Clock / High Speed Logger Clock

1

O EEPROM Enable / High Speed Logger Frame Sync

1

O Display Controller Chip Select / Chip Enable

1

O LCD Control / Serial Display Data Output

1

O Backlight Control

6

I

Keypad Row Inputs

4

O Keypad Column Strobes (open drain, pull low)

* Note: Functionality of these pins can be changed under software control.

This Information applies to a product under development. Its characteristics and specifications are subject to change without notice. Analog Devices assumes no

obligation regarding future manufacture unless otherwise agreed to in writing. No responsibility is assumed by Analog Devices for its use; nor for any

infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent

rights of Analog Devices.

Revision Preliminary 2.3 (June 9, ´98)

-4-

Confidential Information

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