saa5284 NXP Semiconductors, saa5284 Datasheet - Page 15

• Manufacturer Part Number: saa5284
• Description: Multimedia Video Data Acquisition Circuit
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 6 Motorola-mode interface read cycle timing (12 MHz clock)
1998 Feb 05
handbook, full pagewidth
SYMBOL
Multimedia video data acquisition circuit
(1) Event A occurs when LDS + CS0 + CS1 = 0 (boolean).
(2) Event B occurs when LDS + CS0 + CS1 = 1 (boolean).
t
t
t
t
t
t
t
t
0
1
2
3
4
5
6
7
CS1 or CS0
A2 to A0
D7 to D0
DTACK
R/W
LDS
minimum cycle time
address set-up time before event A
address hold time after event B
data hold time from event B
data settling time
data valid to DTACK LOW
LDS HIGH to DTACK HIGH
delay between cycles
3-state
t 1
Fig.6 Motorola mode interface read cycle timing.
A
(1)
DESCRIPTION
valid address
t 4
t 5
15
t 0
valid data
B
(2)
t 6
t 2
t 3
333
0
0
0
88
83
83
83
MIN.
t 7
3-state
833
712
170
212
Objective specification
MAX.
SAA5284
MGK148
UNIT
ns
ns
ns
ns
ns
ns
ns
ns