Zilog Z16C30 - Manual (Page 189)

8-34
Z16C30 USC ®
U SER ' 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