HT82M33A 查看數據表（PDF） - Holtek Semiconductor

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产品描述 (功能)

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HT82M33A

3D Mouse Controller

Holtek Semiconductor 

• Encourage the Plug and Play ID

RTS

tRD

RXD

HT82M33A

tRD

4D PnP ID

• PnP COM Enumerator timing

check

dev

T1

1st

setup

T2

T3

DTR

4D PnP ID

1st

2nd 2nd

wait setup wait ldle

T4

T2

T4

RTS

200ms 200ms 200ms 200ms 200ms 200ms

+35ms +35ms +35ms +35ms +35ms +35ms

T1: Interval to hold DTR high while waiting for DSR

T2: Interval for external device to power down or detect the port state

T3: DTR-RTS enumerator signature delay

T4: Maximum interval to wait for DSR and/or first received character

T5: PnP COM ID per/character timeout 200ms ( not shown )

T6: PnP COM ID EndPnP timeout 2.2 seconds ( not shown )

T7: Disconnect verification timeout 5 seconds ( not shown )

8

3rd Mar ’99

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