Zilog Z16C30 Manual de usuario descargar pdf (Pagina 52)

4-3

Z16C30 USC

®

USER'S MANUAL

ZILOG

UM97USC0100

CMCR13-12

CTR0

0

1

2

3

MUX

Q4

Q3

Q2

Q1

Q0

0

1

2

3

MUX

HCR15-14

RxC

TxC

CMCR15-14

CTR0

0

1

2

3

MUX

Q4

Q3

Q2

Q1

Q0

0

1

2

3

MUX

0

1

MUX

HRC13

D

REFCLK

RA

TE

MODE

DPLL

Rx

Tx

HCR1

1-10

HCR9-8

CMCR7-6

0

1

2

3

MUX

BRG1

BRG0

CMCR9-8

0

1

2

3

MUX

CMCR1

1-10

0

1

2

3

MUX

LD

DN

MODE

D

BRG0

Z

HALF

HCR1-0

TC0R

R

S

LD

DN

MODE

D

BRG1

Z

HALF

HCR5-4

TC1R

R

S

CTR0/P0

CTR1/P1

MUX

0

1

2

3

4

5

6

7

CMCR2-0

MUX

0

1

2

3

4

5

6

7

CMCR5-3

MUX

0

1

2

3

4

5

6

7

IOCR2-0

MUX

0

1

2

3

4

5

6

7

IOCR5-3

DPLL

Rx

RxCHAR

TxCMPL

T

RxSYNC

TxCHAR

DPLL

Tx

CTR1/P1

RxCLK

TxCLK

TxC

RxC

RxD

CTR0/P0

Figure 4-1. A Model of a USC Channel’s Clocking Logic

UM009402-0201

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 207 208

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