Z80181 Datasheet, PDF (65/74 Pages) Zilog, Inc. – SMART ACCESS CONTROLLER (SAC™)

Zilog
Figure 72 shows the system timing for the on-chip SCC.
Parameters referenced in this figure appear in Table E.
/RTxC, /TRxC
Receive
/W//REQ
Request
/W//REQ
Wait
/SYNC
Output
/INT
/RTxC, /TRxC
Transmit
/W//REQ
Request
/W//REQ
Wait
/DTR//REQ
Request
/INT
/CTS, /DCD
1
2
3
4
5
6
7
8
/SYNC
Input
/INT
9
10
Figure 72. SCC System Timing
Z80181
SMART ACCESS CONTROLLER SAC^™
DS971800500
2-65