Z85233 Datasheet, PDF (149/317 Pages) Zilog, Inc. – The Zilog SCC Serial Communication Controller

Application Note
Interfacing Z80^® CPUs to the Z8500 Peripheral Family
Z80H CPU TO Z8500A PERIPHERALS (Continued)
Z80H
Parameter
TsD(Cf)
Figure 8. Delaying /RD or /WR
Table 14. Parameter Equations
Z8500A
Equation
4TcC+TwCh-TdCr(A)-TdA(DR)
/RS - delayed
2TcC+TwCh-TdRD(DR)
Value
55 min
125 min
Units
ns
ns
6-14
UM010901-0601