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Zilog Z16C30 User Manual

Page 189

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8-34

Z16C30 USC

®

U

SER

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S

M

ANUAL

Z

ILOG

UM97USC0100

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

15

Transmit character: write only using 16-bit operation

Transmit Data Register (TDR)

Register Address 0 b 1x000 or 1 b xxxxx

Bit(s)

Field/Bit

Name

Conditions

/Context

Description

RW

Status

Ref Chapter: Section

Transmit character: 8- or 16-bit write

TDR15-8

16-bit bus

The "other" Transmit character in a 16-bit write
(may be sent 1st or 2nd per "Select D15-8
First" or "Select D7-0 FIrst" command in
RTCmd [CCAR15-11])

WO

5: The Data Registers and
the FIFOs

TDR7-0

Transmit character

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

UM009402-0201