PRODUCT INFORMATION CDC 3272G May/2005 CDC 3272G ARM7-Based Car Dashboard Controller The CDC 3272G-Cx is a pin-compatible mask ROM derivative of Micronas’ 32-bit Car Dashboard Controller family based on an ARM7TDMI CPU core (CDC 32xxG). ◆ RTC delivering hours, minutes, seconds ◆ Polling/Flash timer output ◆ PLL circuitry delivering up to 50 MHz ◆ 4- to 5-MHz oscillator This device comes along with additional features of the Cx platform like a superior power saving module (PSM) and two highspeed CAN module (Bosch V2.0B). 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 3272G also contains the patented built-in ERM (EMI Reduction Module). Features ◆ EMI reduction module (ERM) ◆ 16 KB SRAM ◆ Four CPU operation modes (Deep Slow, Slow, Fast, PLL) ◆ Three low-power modes (Idle, Wake, Standby) ◆ Two I2C master modules ◆ Seven stepper motor drivers ◆ Digital watchdog ◆ Six PWM modules (configurable as 2×8 bit or 1×16 bit) ◆ Central clock divider ◆ Pulse frequency modulator ◆ Interrupt controller with 40 inputs and 16 priority levels ◆ Sound generator with auto decay ◆ Six port interrupts ◆ Regulator input supervision for reset/ alarm (alarm comparator) ◆ Clock and supply supervision ◆ 16-channel 10-bit ADC ◆ Two comparators ◆ 384 KB mask ROM ◆ Two CAN modules with 512 Bytes each of object RAM according to Bosch specification V2.0B (32 message objects) ◆ ADC reference (1 internal, 3 external) ◆ Two SW-selectable clock outputs ◆ 16-bit free-running counter with six capture/compare modules ◆ 1 ×16-bit timer and 4×8-bit timer ◆ Patch module (up to 10 cells) ◆ JTAG interface ◆ −40 to +105 °C case temperature range ◆ 48 ×4 LCD module ◆ Single 3.5 V to 5.5 V supply voltage (limited I/O performance below 4.5 V) ◆ Three DMA channels ◆ Up to 102 GPIOs ◆ Two UARTs, two SPIs ◆ 128-pin PQFP package, 0.5 mm pin pitch ◆ DigitBus master module PRODUCT INFORMATION CDC 3272G May/2005 Development Tools ◆ Evaluation chip CDC 3205G featuring JTAG Probe – ETM via embedded emulation JTAG – ROM/Flash emulation with external SRAM (up to 8 MBytes) JTAG JTAG ETM Trace Probe ◆ Evaluation Board (EVB) including the CDC 3205G for evaluation and debugging of embedded systems ◆ Application Board (APB) for Flash memory programming EVB Logic Analyzer ◆ Probe for PQFP128 ◆ Software environment (compiler, linker, assembler) from 3rd party vendors ◆ RTOS from 3rd party vendors Fig. 1: Development tool setup ◆ CAN protocol stacks System Architecture The Car Dashboard Controller CDC 3272G contains an embedded ARM7TDMI processor which operates at a maximum clock frequency of 50 MHz. The 16/32-bit bus connects to the mask ROM. All other peripherals are connected to the I/O bus. All I/O ports have multiple functions to obtain utmost flexibility. A total of 102 GPIOs can be selected. 32 HPorts ◆ DMA DMA Contr. P0.6 Comp Bus Controller 384 KB ROM JTAG Interface Test / Debug Patch Module Bandgap Ref. Bridge 10-Bit ADC UARTS 16Bit CCC 0 1UARTS × 16-Bit Timer UARTS CAPCOM 0,1,2,3 4UARTS × 8-Bit Timer UARTS 2 × UART UARTS LCD Control UARTS 2 × SPI UARTS Audio Module UARTS 2 × CAN UARTS Clock Out 0,1 UARTS 16Bit CCC 1 UARTS DIGITBus PFM0/1 UARTS CAPCOM 4, 5 7 × Stepper Motor Module 6 UARTS × 8/16-Bit PWM UPorts ◆ SRAM RTC Power Saving Wait Comp 18 PLL/ERM 16 KB SRAM 2.5-V Reg. Bridge ◆ ICU (Interrupt Control Unit) Test Watchdog Clock 40-Input Interrupt Controller ARM7TDMI CPU VREFINT VREF AVDD AVSS BVDD Reset VDD VSS 2.5-V Reg. PPorts The internal high-speed bus connects the following peripherals to the ARM7TDMI processor: UVDD UVSS 52 2UARTS × I²C Bus The built-in ERM delivers superb EMI results reducing the peak values by up to 10 dBµV. The CDC 3272G is fully pin- and softwarecompatible with all other members of the CDC 32xxG family. Fig. 2: Block diagram of the CDC 3272G All information and data contained in this product information are without any commitment, are not to be considered as an offer for conclusion of a contract, nor shall they be construed as to create any liability. Product or development sample availability and delivery are exclusively subject to our respective order confirmation form. By this publication, Micronas GmbH does not assume responsibility for patent infringements or other rights of third parties which may result from its use. No part of this publication may be reproduced, photocopied, stored on a retrieval system, or transmitted without the express written consent of Micronas GmbH. Edition May 18, 2005; Order No. 6251-615-1PI Micronas GmbH ⋅ Hans-Bunte-Strasse 19 ⋅ D-79108 Freiburg (Germany) ⋅ P.O. Box 840 ⋅ D-79008 Freiburg (Germany) Tel. +49-761-517-0 ⋅ Fax +49-761-517-2174 ⋅ E-mail: [email protected] ⋅ www.micronas.com