IBM39STB032xx
IBM39STB034xx
Preliminary
STB032xx and STB034xx Digital Set-Top Box Integrated Controllers
ECP Reverse Mode Handshake
nAckReverse
(PError)
HostAck
(nAutoFd)
PeriphClk
(nAck)
Byte1
PData
Byte 0
nCmd
nCmd
PeriphAck
(Busy)
nReverseRequest
(nInit)
TD
T
TL TH T
TD T
TL TH
T
T
T
Note: See the table, “IEEE 1284 Mode Handshake Timing Values,” on page 45 for symbol values.
STB03_sds_041800.fm.01
April 18, 2000
Electrical Information
Page 47 of 55