z85c30 ZiLOG Semiconductor, z85c30 Datasheet - Page 42

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

PS011705-0608
AD7–AD0
INTACK
R/W
CS0
CS1
AS
DS
Read Cycle Timing
Figure 24
and INTACK are latched by the rising edge of AS. R/W must be High to indicate a Read
cycle. CS1 must also be High for the Read cycle to occur. The data bus drivers in the SCC
are then enabled while DS is Low.
displays the Read cycle timing. The address on AD7–AD0 and the state of CS0
Address
Figure 24. Read Cycle Timing
CMOS SCC Serial Communications Controller
Data Valid
Product Specification
Functional Description
38