Z80181 Zilog., Z80181 Datasheet - Page 65

• Manufacturer Part Number: Z80181
• Description: SMART ACCESS CONTROLLER (SAC)
• Manufacturer: Zilog.

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