z85c30 ZiLOG Semiconductor, z85c30 Datasheet - Page 65

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

Table 12. Z80C30 System Timing
PS011705-0608
No
1
2
3
4
Symbol
TdRXC(REQ)
TdRXC(W)
TdRdXC(SY)
TdRXC(INT)
TRxC, RTxC
RTxC, TRxC
CTS, DCD
External
Transmit
Request
Receive
W/REQ
W/REQ
PCLK
SYNC
Output
SYNC
RTxC
TRxC
TRxC
TxD
Input
Wait
RxD
8
Parameter
RxC High to W/REQ Valid
RxC High to Wait Inactive
RxC High to SYNC Valid
RxC High to INT Valid
4
Figure 39. Z80C30 System Timing Diagram
3
10
10
5
11
22
18
14
21
9
1,2,3
18
17
20
CMOS SCC Serial Communications Controller
1,2
1,2,c
a,b
21
19
6
15
22
1
2
8 MHz
Min
8
8
4
8
7
12
Max
12
14
7
12
Product Specification
Electrical Characteristics
10 MHz
Min
8
8
4
8
Max
12
14
7
12
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