BenQ 2720S Service Guide - Page 29

Scanner Controller ASIC &amp

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Figure 5-6 5.3 Scanner Controller (ASIC & µP) The AP2106A (ASIC scanner controller) includes the following features: 1. 12-bit ADC data input. 2. Support 1-color or 3-color simultaneous scanning. 3. A programmable color CCD timing generator. 4. CPU interface: This ASIC provides an 8051-compatible microprocessor bus interface for connecting to an external 8051 series MCU. It also provides a function of memory space swapping for firmware updating. Electrical Systems API Confidential 5-7 No Copy/Reproduction allowed

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Figure 5-6
5.3 Scanner Controller (ASIC &
ยต
P)
The
AP2106A
(ASIC scanner controller) includes the following features:
1. 12-bit ADC data input.
2.
Support 1-color or 3-color simultaneous scanning.
3.
A programmable color CCD timing generator.
4.
CPU interface: This ASIC provides an 8051-compatible microprocessor
bus interface for connecting to an external 8051 series MCU. It also
provides a function of memory space swapping for firmware updating.
Electrical Systems
API Confidential
5-7
No Copy/Reproduction allowed