IBM NETVISTA 6824 Manuel d'utilisation

Page 52

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Address (hex)

Description

Bits

Byte pointer

00C4

Channel 5, memory address register

00 – 15

Yes

00C6

Channel 5, transfer count register

00 – 15

Yes

00C8

Channel 6, memory address register

00 – 15

Yes

00CA

Channel 6, transfer count register

00 – 15

Yes

00CC

Channel 7, memory address register

00 – 15

Yes

00CE

Channel 7, transfer count register

00 – 15

Yes

00D0

Channels 4–7, read status/write command register

00 – 07

00D2

Channels 4–7, write request register

00 – 02

00D4

Channels 4–7, write single mask register bit

00 – 02

00D6

Channels 4–7, mode register (write)

00 – 07

00D8

Channels 4–7, clear byte pointer (write)

N/A

00DA

Channels 4–7, master clear (write)/temp (read)

00 – 07

00DC

Channels 4–7, clear mask register (write)

00 – 03

00DE

Channels 4–7, write all mask register bits

00 – 03

00DF

Channels 5–7, 8- or 16-bit mode select

00 – 07

40

User Guide

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