Rainbow-electronics AT77C104B Manual do Utilizador descarregar pdf (Página 10)

AT77C104B

5347B–BIOM–08/04

Sensor and Block Diagram

Figure 7. Functional Block Diagram

The circuit is divided into the following main sections:

• An array or frame of 8 x 232 pixels + 1 dummy column

• An analog to digital converter

• An on-chip oscillator

• Control and status registers

• Navigation and click units

• Slow and fast serial interfaces

TPP FPL VDDA GNDA VDDD

GNDD RST

FSS

SCK

MISO

MOSI

SSS

IRQ

SCANEN

TESTA

Pixel Array

(232 x 8)

Array

CTRL

Click

CTRL

Click Pixels

(12)

Acquisition

Navigation

Algorithms

Oscillator (420 kHz)

Click

Algorithm

Watchdog

Heating

Test

Slow Serial

Interface

SPI

(200 kHz)

Control

Fast Serial

Interface

SPI

(8-16 MHz)

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 35 36

Features 1
Description 1
Applications 1
AT77C104B 10
AT77C104B 11
Regional Headquarters 36

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