z85c30 ZiLOG Semiconductor, z85c30 Datasheet - Page 53

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

PS011705-0608
Table 6. Z85C30 Read/Write Timing (continued)
No Symbol
36 TdRDrrREQ)
37 TdPC(INT)
38 TdIAi(RD)
39 TwRDA
40 TdRDA(DR)
41 TsiEI(RDA)
42 ThIEI(RDA)
43 TdIElrIEO)
44 TdPC(IEO)
45 TdRDA(INT)
46 TdRDrWRQ)
47 TdWRQ(RD)
48 TwRES
49a Trc
e
d
2
Parameter
RD Rise to DTR/REQ
Not Valid Delay
PCLK Fall to INT Valid
Delay
INTACK to RD Fall
(Ack) Delay
RD (Acknowledge)
Width
RD Fall (Ack) to Read
Data Valid Delay
IEI to RD Fall (Ack)
Setup Time
IEI to RD Rise (Ack)
Hold Time
IEI to IEO Delay Time
PCLK Rise to IEO
Delay
RD Fall to INT Inactive
Delay
RD Rise to WR Fall
Delay for No Reset
WR Rise to RD Fall
Delay for No Reset
WR and RD Low for
Reset
Valid Access Recovery
Time
8.5 MHz
Min
145
145
135
95
0
15
15
145
3.5TcPc
CMOS SCC Serial Communications Controller
Max
NA
500
95
195
480
3.5TcPc
10 MHz
Min
90
125
120
80
0
15
15
100
3.5TcPc
Product Specification
Max
NA
320
80
175
320
Electrical Characteristics
16 MHz
Min
50
75
70
50
0
10
10
75
Max
NA
175
45
80
200
49