HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 405

• Manufacturer Part Number: HD64570
• Description: Serial Communications Adaptor
• Manufacturer: HITACHI [Hitachi Semiconductor]

CLK
BUSREQ
BUSACK
BEO
BUSY
(Out)
BUSY
(In)
Note: This figure merely defines the symbols for AC timing; see figure 3.6 for specific
bus arbitration timing.
Note
*1
: There is no transition of the TXD at this point in NRZ mode.
Figure 10.13 CPU Mode 1, 2, 3
TXC
(Input)
TXD
(Output)
Figure 10.14 Transmit Timing (TXC input)
t
BRQD
t
BSYS
t
TDD1
t
TCf
t
TCLW
t
RAKS
Bus Arbitration Timing
t
t
BEOD
BSYD
t
t
TDD1
TCYC
Rev. 0, 07/98, page 389 of 453
t
TCr
*1
t
TCHW