MiTAC 8355 service manual Converter, Ports

8355 N/B MAINTENANCE

One I2C bus interface

Host Interface

•8-bit host interface port

•Three host interrupt requests (HIRQ1, HIRQ11, HIRQ12)

•Regular and fast A20 gate output

•Two register sets, each with two data registers and a status register

A/D converter –

10-bit resolutions

8 channels – single or scan mode (selectable)

Start of A/D conversion can be externally triggered

Sample-and-hold function

D/A converter –

8-bit resolutions

2 channels

I/O ports –

74 input/output lines (16 of which can drive LEDs)

8 input-only lines

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