z85c30 ZiLOG Semiconductor, z85c30 Datasheet - Page 57

• Manufacturer Part Number: z85c30
• Description: Cmos Scc Serial Communications Controller
• Manufacturer: ZiLOG Semiconductor

Table 8. Z85C30 System Timing Table
PS011705-0608
No Symbol
1
2
3
TdRXC(REQ)
TdRXC(W)
TdRdXC(SY)
TRxC, RTxC
RTxC, TRxC
DTR/REQ
CTS, DCD
Request
Transmit
Receive
Request
Request
W/REQ
W/REQ
W/REQ
W/REQ
SYNC
Output
SYNC
Wait
INT
Wait
Input
INT
INT
Parameter
RxC High to W/REQ Valid
RxC High to Wait Inactive
RxC High to SYNC Valid
Figure 34. Z85C30 System Timing Diagram
1,2
1,2,c
a,b
CMOS SCC Serial Communications Controller
10
7
3
4
8
6
1
2
6
9
8.5 MHz
Min
8
8
4
Max
12
14
7
10 MHz
Min
8
8
4
Product Specification
Electrical Characteristics
Max
12
14
7
16 MHz
Min Max
8
8
4
12
14
70
53