Zilog Z16C30 Manual do Utilizador descarregar pdf (Página 186)

8-31

Z16C30 USC

USER'S MANUAL

ZILOG

UM97USC0100

14 13 12 11 10 9 8 7 6 5 4 3 2 1 015

Test Register selected by TMCR4-0

Test Mode Data Register (TMDR) Register Address 0 b 00100

Bit(s)

Field/Bit

Name

Conditions

/Context

Description

Status

Ref Chapter: Section

TMDR15-0 Test register selected by TMCR4-0 RO or

8: Test Modes

14 13 12 11 10 9 8 7 6 5 4 3 2 1 015

Divisor for (or current count in) Baud Rate Generator 0

Test Constant 0 Register (TC0R) Register Address 0 b 10111

Bit(s)

Field/Bit

Name

Conditions

/Context

Description

Status

Ref Chapter: Section

TC0R15-0 divisor/starting value for BRG0:

0=input=output; 1=divide by 2;

n=divide by n+1

RW 5: DMA Support Features:

The Character Counters

Write, or

Read w/

TC0RSel

(RICR0)=0

Value of BRG0 counter last time TC0RSel:=1 RORead w/

TC0RSel

(RICR0)=1

14 13 12 11 10 9 8 7 6 5 4 3 2 1 015

Divisor for (or current count in) Baud Rate Generator 1

Test Constant 1 Register (TC1R) Register Address 0 b 11111

Bit(s)

Field/Bit

Name

Conditions

/Context

Description

Status

Ref Chapter: Section

TC1R15-0 divisor/starting value for BRG1:

0=input=output; 1=divide by 2;

n=divide by n+1

RW 5: DMA Support Features:

The Character Counters

Write, or

Read w/

TC1RSel

(TICR0)=0

Value of BRG1 counter last time TC1RSel:=1 RORead w/

TC1RSel

(TICR0)=1

RW = Read/Write, RO = Read Only, WO = Write Only – for other codes see p. 8-10.

UM009402-0201

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