UPD72042BGT NEC [NEC], UPD72042BGT Datasheet - Page 66

• Manufacturer Part Number: UPD72042BGT
• Description: LSI DEVICE FOR Inter Equipment Bus (IEBus) PROTOCOL CONTROL
• Manufacturer: NEC [NEC]

Communication frame
CTR
RCR
STR
FLG
DAR1, DAR2
IRQ pin
MARQ
MARC
REEN
STRQ
SLRE
SLRC
CEX
RFL
Control field Data-length field
"0"
"0"
"0"
"0"
Separate frame
(Slave reception started)
Data field
0100
Minimum time
(when f
Header Master address
0110 (Slave reception terminated normally)
X
= 6 MHz)
field
Broadcast frame
Approx. 5420 s (mode 0)
Approx. 1490 s (mode 1)
Slave address
field
Control field
1100 (Broadcast reception error)
Master address