AD6426 Analog Devices, AD6426 Datasheet - Page 4

• Manufacturer Part Number: AD6426
• Description: Enhanced GSM Processor
• Manufacturer: Analog Devices

* 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)
Preliminary Technical Information
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
10
10
20
16
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
6
4
O / I /
O / O
- 4 -
I/O
I / I
I/O
I/O
O /
I/O
I/O
I /
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
Default / Alternative Function(s) *
13 MHz Clock Input
Reset input
Interrupt Request # 6 / Non-Maskable Interrupt (NMI) *
13 MHz Oscillator Power Control Signal
Boot Code Enable
Supply Voltage
Ground
Processor Address Bus
General Purpose Output 10 / Address (20) *
Processor Data Bus
Processor Read Strobe
Processor High Write Strobe / Upper Byte Strobe
Processor Low Write Strobe / Lower Byte Strobe
Processor Write Strobe
FLASH Power Down / WAIT / General Purpose Output
11*
External RAM Chip Select
External ROM Chip Select
SIM Card Detect / General Purpose I/O 16 *
SIM Data Output
SIM Data Input
SIM Clock
SIM Reset
SIM Program Enable / General Purpose I/O 15 *
SIM Supply Enable
EEPROM Data
EEPROM Clock / High Speed Logger Clock
EEPROM Enable / High Speed Logger Frame Sync
Display Controller Chip Select / Chip Enable
LCD Control / Serial Display Data Output
Backlight Control
Keypad Row Inputs
Keypad Column Strobes (open drain, pull low)
Confidential Information
AD6426