Zilog Z16C30 Manual de usuario descargar pdf (Pagina 176)

8-21

Z16C30 USC

USER'S MANUAL

ZILOG

UM97USC0100

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

CTSMode

Input/Output Control Register (IOCR) Register Address 0 b 01011

Bit(s)

Field/Bit

Name

Conditions

/Context

Description

Status

Ref Chapter: Section

IOCR15-14

DCDMode TxRMode RxRMode TxDMode

TxCMode RxCMode

CTSMode 0x=/CTS pin is low-active Clear To Send input;

10=drive /CTS Low; 11=drive /CTS High

RW 4: The /CTS Pin

IOCR13-12 DCDMode 00=/DCD is low-active Rx Carrier Detect input;

01=/DCD is low-active Rx Sync Detect input;

10=drive /DCD Low; 11=drive /DCD High

4: The /DCD Pin

IOCR11-10 TxRMode 00=/TxREQ pin is an input;

01=drive /TxREQ with Transmit DMA Request;

10=drive /TxREQ Low; 11=drive /TxREQ High

4: The /RxREQ and /TxREQ

Pins

IOCR9-8 RxRMode 00=/RxREQ pin is an input;

01=drive /RxREQ with Receive DMA Request;

10=drive /RxREQ Low; 11=drive /RxREQ High

4: The /RxD and /TxD PinsIOCR7-6 TxDMode 00=drive /TxD with Transmitter output;

01=release /TxD to high impedance;

10=drive /TxD Low; 11=drive /TxD High

4: The /RxD and /TxD Pins

IOCR5-3 TxCMode 000=/TxC pin is an input;

001=drive /TxC with TxCLK;

010=drive /TxC with Transmit char clock;

011=drive /TxC with Transmit Complete;

100=drive /TxC with output of BRG0;

101=drive /TxC with output of BRG1;

110=drive /TxC with output of CTR1;

111=drive /TxC with Tx output of DPLL

IOCR2-0 RxCMode 000=/RxC pin is an input;

001=drive /RxC with RxCLK;

010=drive /RxC with Receive char clock;

011=drive /RxC with /RxSYNC;

100=drive /RxC with output of BRG0;

101=drive /RxC with output of BRG1;

110=drive /RxC with output of CTR0;

111=drive /RxC with Rx output of DPLL

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

UM009402-0201

1 2 ... 171 172 173 174 175 176 177 178 179 180 181 ... 207 208

Comentarios a estos manuales

Sin comentarios

Zilog Z16C30 Manual de usuario Pagina 176

Comentarios a estos manuales

Relacionado con productos y manuales para Sensores Zilog Z16C30