TallyGenicom 6306, Maintenance Manual

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Chapter 1. Technical Overview
9
1.4 Electronics
The electronic design of the 6306/6312 is implemented on a single controller module.
The primary components are:

Main Processor
–
Freescale ColdFire 5307

Flash Memory
–
4 Mbytes

SDRAM
–
32 Mbytes

CPLD
–
Xilinx
–
XC95144XL-TQ100

Interface
–
specific devices

Control Processor
–
Intel 87C196KC

Sensor Inputs

Motor logic and drive

Solenoid shuttle drive

Hammer drive shift registers and FET coil drive transistors

Cold drive energy damping diodes

EEPROM
–
M24C64
1.4.1 Control Processor

20 Mhz clock

High speed outputs for driving the paper motor, solenoid and hammer firing

High speed inputs for synchronizing timing of the shuttle position

8 channel 10bit Analog to Digital Converter for sensor readings (paper out, paper motion,
shuttle motion, ribbon motion, platen gap sensor, hammer current, power supply voltage)

Serial channel for communication (38.4K bps) with Main CPU (5307)

Port control of ribbon drive motor, ribbon ink pump drive motor, platen gap motor,
control panel and hammer loading