ADUC845BCP8-5 Analog Devices, ADUC845BCP8-5 Datasheet - Page 97

• Manufacturer Part Number: ADUC845BCP8-5
• Description: MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
• Manufacturer: Analog Devices

Table 66. EXTERNAL DATA MEMORY WRITE CYCLE Parameter
t
t
t
t
t
t
t
t
t
WLWH
AVLL
LLAX
LLWL
AVWL
QVWX
QVWH
WHQX
WHLH
WR Pulse Width
Address Valid after ALE Low
Address Hold after ALE Low
ALE Low to RD or WR Low
Address Valid to RD or WR Low
Data Valid to WR Transition
Data Setup before WR
Data and Address Hold after WR
RD or WR High to ALE High
PORT 2 (O)
PSEN (O)
ALE (O)
WR (O)
t
AVLL
A16 A23
A0 A7
t
Figure 73. External Data Memory Write Cycle
LLAX
t
AVWL
t
LLWL
Rev. A | Page 97 of 108
Min
65
60
65
190
60
120
380
60
12.58 MHz Core Clock
t
QVWX
DATA
t
t
V8 A15
WLWH
QVWH
Max
130
Min
130
120
135
375
120
250
755
125
ADuC845/ADuC847/ADuC848
t
t
WHLH
WHQX
6.29 MHz Core Clock
Max
260
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns