z84c00 ZiLOG Semiconductor, z84c00 Datasheet - Page 4
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z84c00
Manufacturer Part Number
z84c00
Description
Kio Serial/parallel Counter Timer
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z84C00.pdf
(31 pages)
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List of Figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10. I/O Read/Write Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 11. Serial I/O Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 12. Counter/Timer Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 13. Port I/O Read/Write Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 14. Interrupt Acknowledge Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 15. Op Code Fetch Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
KIO Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Z84C90 84-Pin PLCC Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
100-Pin LQFP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Test Load Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PIO Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PIA Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
CTC Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Crystal Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
SIO Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
KIO Serial/Parallel Counter Timer
PS011802-0902
Z84C90
iv