ADP315PC87570 National Semiconductor, ADP315PC87570 Datasheet - Page 150

• Manufacturer Part Number: ADP315PC87570
• Description: Keyboard and Power Management Controller
• Manufacturer: National Semiconductor

19.5.4 Host Interface
HMEMCS
HIORD
HMEMRD
HIOCHRDY
HAEN
HA0-18
HIOWR
HMEMWR
HD0-7
IRQ1, IRQ12
IRQ11
1
1. Either HIORD or HMEMRD is active, for access to I/O devices or the shared memory, respectively . .
1
CLK
Px Input Signals
Figure 19-15. Input Signal Timing for Input and I/O Port Signals
Figure 19-16. Host Processor Read Operation
t
MCSs
t
AR
t
RDYA
t
t
RVD
INPs
Device Specifications
Data In
t
Valid
RD
t
t
RDYDv
INPh
150
Valid Data
t
t
RDYH
MCSh
t
RA
t
RDH
t
HZ
t
RI
RC
t
RCU
Valid
www.national.com
OR