MN85571AC Datasheet, PDF (11/16 Pages) Panasonic Semiconductor – Single-Chip Audio/Video MPEG2 Encoder

s Interfaces (continued)
1. Host interface (continued)
1) Direct addressing access (continued)
[Write]
• Timing chart
HA[3:0]
NHCS
NHWE
t_wadcs
t_adwe
HD[15:0]
"Hi-Z"
NHRE
MN85571AC
t_wcyc
Valid Data
t_wcsad
t_wecs
t_wead
t_weset
t_wdhd
Valid Data
"Hi-Z"
"H"
• AC Characteristics
Item
Write cycle time
HA[3:0] setup time from the NHCS falling edge
HA[3:0] setup time from the NHRE falling edge
HD[15:0] valid data setup time from the NHWE rising edge
HA[3:0] hold time from the NHCS rising edge
HA[3:0] hold time from the NHWE rising edge
NHCS rising edge time from NHWE rising edge
HD[15:0] valid data hold time from the NHWE rising edge
Symbol Min Typ Max Unit
t_wcyc 200 

ns
t_wadcs
0

ns
t_adwe
0

ns
t_weset
20


ns
t_wcsad 40


ns
t_wead
40


ns
t_wecs
0

ns
t_wdhd
1

ns
SDD00023AEM
11