CDC3257G MICRONAS [Micronas], CDC3257G Datasheet

CDC3257G

Manufacturer Part Number

CDC3257G

Description

CDC 3257G ARM7-Based Car Dashboard Controller

Manufacturer

MICRONAS [Micronas]

Datasheet

1.CDC3257G.pdf (2 pages)

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PRODUCT INFORMATION

CDC 3257G

The CDC 3257G-Cx is a pin-compatible

Flash ROM derivate of Micronas’ 32-bit Car

Dashboard Controller family based on an

ARM7TDMI CPU core (CDC32xxG).

This device comes along with additional

features of the Cx platform like a superior

power saving module (PSM), two high-

speed CAN modules (Bosch V2.0B) and a

device lock module to inhibit Flash access.

Main characteristics of the PSM are three

additional low-power modes (IDLE, WAKE,

and STANDBY), an internal RC oscillator, a

polling/Flash timer output, as well as an

RTC (Real Time Clock).

The CDC 3257G also contains the patented

built-in ERM (EMI Reduction Module).

Features

256 KB Flash

12 KB SRAM

8 KB boot ROM

Four CPU operation modes

(Deep Slow, Slow, Fast, PLL)

Three low-power modes

(Idle, Wake, Standby)

ARM7-Based Car Dashboard Controller

RTC delivering hours, minutes, seconds

Polling/Flash timer output

PLL circuitry delivering up to 50 MHz

4- to 5-MHz oscillator

EMI reduction module (ERM)

Digital watchdog

Central clock divider

Interrupt controller with 40 inputs and

16 priority levels

Six port interrupts

Regulator input supervision for reset/

alarm (alarm comparator)

Clock and supply supervision

16-channel 10-bit ADC

Two comparators

ADC reference (1 internal, 3 external)

48 4 LCD module

Three DMA channels

Two UARTs, two SPIs

DigitBus master module

Two CAN modules with 512 Bytes each

of object RAM according to Bosch speci-

fication V2.0B (32 message objects)

CDC 3257G

Two I

Seven stepper motor drivers

Six PWM modules

(configurable as 2 8 bit or 1 16 bit)

Pulse frequency modulator

Sound generator with auto decay

Two SW-selectable clock outputs

16-bit free-running counter with six cap-

ture/compare modules

Patch module (up to 10 cells)

Device lock module (DLM) inhibiting

Flash access

1 16-bit timer and 4 8-bit timer

JTAG interface

Single 3.5 V to 5.5 V supply voltage

(limited I/O performance below 4.5 V)

Up to 102 GPIOs

128-pin PQFP package, 0.5 mm pin pitch

40 to +105 °C case temperature range

C master modules

May/2005

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CDC3257G Summary of contents

Page 1

PRODUCT INFORMATION CDC 3257G ARM7-Based Car Dashboard Controller The CDC 3257G- pin-compatible Flash ROM derivate of Micronas’ 32-bit Car Dashboard Controller family based on an ARM7TDMI CPU core (CDC32xxG). This device comes along with additional features of the ...

Page 2

PRODUCT INFORMATION CDC 3257G Development Tools Evaluation chip CDC 3205G featuring – ETM via embedded emulation JTAG – ROM/Flash emulation with external SRAM ( MBytes) Evaluation Board (EVB) including the CDC 3205G for evaluation and debug- ging of ...

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