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PC87570 Datasheet(PDF) 150 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87570
Description  PC87570 Keyboard and Power Management Controller
PDF  168 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87570 Datasheet(HTML) 150 Page - National Semiconductor (TI)

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Device Specifications
www.national.com
Figure 19-15. Input Signal Timing for Input and I/O Port Signals
19.5.4
Host Interface
Figure 19-16. Host Processor Read Operation
CLK
Px Input Signals
tINPs
tINPh
Data In
tRD
tRI
tAR
Valid
Valid
Valid Data
tRCU
RC
tRA
tRVD
tRDH
tHZ
OR
HAEN 1
HA0-18
HIORD
HD0-7
IRQ1, IRQ12
IRQ11
HIOCHRDY
tRDYA
tRDYH
HMEMWR
HMEMRD1
tRDYDv
HMEMCS
tMCSs
tMCSh
1. Either HIORD or HMEMRD is active, for access to I/O devices or the shared memory, respectively..
HIOWR



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