AM85C30-8PC データシートの表示（PDF） - Advanced Micro Devices

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AM85C30-8PC

Enhanced Serial Communications Controller

Advanced Micro Devices 

AMD

Read Register 10

D7 D6 D5 D4 D3 D2 D1 D0

0

On Loop

0

0

Loop Sending

0

Two Clocks Missing

One Clock Missing

Read Register 13

D7 D6 D5 D4 D3 D2 D1 D0

TC8

TC9

TC10

TC11

TC12

TC13

TC14

TC15

Upper Byte of

Time Constant

Read Register 12

D7 D6 D5 D4 D3 D2 D1 D0

TC0

TC1

TC2

TC3

TC4

TC5

TC6

TC7

Read Register 15

D7 D6 D5 D4 D3 D2 D1 D0

Lower Byte of

Time Constant

*Added Enhancement

SDLC/HDLC Enhancement Status*

Zero Count IE

10 × 19 bit FIFO Enable/Disable*

DCD IE

SYNC Hunt IE

CTS IE

Tx Underrun/EOM IE

Break/Abort IE

10216F-12

(concluded)

Figure 8. Read Register Bit Functions (continued)

Write Register 0

D7 D6 D5 D4 D3 D2 D1 D0

Register

Null Code

Reset Rx CRC Checker

Reset Tx CRC Generator

Reset Tx Underrun/EOM Latch

00

01

10

11

0 00 0 8

0 01 1 9

0 1 0 2 10

0 1 1 3 11

1 0 0 4 12

1 0 1 5 13

1 1 0 6 14

1 1 1 7 15

0 0 0 Null Code

0 0 1 Point High Register Group

0 1 0 Reset Ext/Status Interrupts

0 1 1 Send Abort

1 0 0 Enable Int on Next Rx Character

1 0 1 Reset Tx Int Pending

1 1 0 Error Reset

1 1 1 Reset Highest IUS

10216F-13

Figure 9. Write Register Bit Functions

20

Am85C30

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