z85c30 ZiLOG Semiconductor, z85c30 Datasheet - Page 66

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

Table 12. Z80C30 System Timing (continued)
PS011705-0608
No
5
6
7
8
9a
9b
10
a. RxC is RTxC or TRxC whichever is supplying the receive clock.
b. Units equal to TcPc.
c. Open-drain output, measured with open-drain test load.
d. Units equal to AS.
e. TxC is TRxC or RTxC, whichever is supplying the transmit clock.
Symbol
TdTXC(REQ)
TdTXC(W)
TdTXC(DRQ)
TdTXC(INT)
TdSY(INT)
TdSY(INT)
TdEXT(INT)
Parameter
Note
TxC Low to W/REQ Valid
TxC Low to Wait Inactive
TxC Low to DTR/REQ Valid
TxC Low to INT Valid
Note
SYNC to INT Valid
SYNC to INT Valid
Note
d,2
2,4
2,3,4
2,3
2,3,4
1,2
CMOS SCC Serial Communications Controller
1,2,3
e,2
2,3
8 MHz
Min
2
5
5
4
4
2
2
2
2
Max
3
8
11
7
6
3
6
3
3
Product Specification
Electrical Characteristics
10 MHz
Min
2
5
5
4
4
2
2
2
2
Max
3
8
11
7
6
3
6
3
3
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