MEGA128CAN Datasheet, PDF (369/413 Pages) ATMEL Corporation – Microcontroller WITH 128K BYTES OF ISP FLASH AND CAN CONTROLLER

AT90CAN128
Figure 173. External Memory Timing (SRWn1 = 0, SRWn0 = 0)
T1
System Clock (CLK_CPU)
ALE
A15:8 Prev. addr.
DA7:0 Prev. data
WR
DA7:0 (XMBK = 0)
RD
T2
T3
T4
1
4
7
2 3a 13
Address
15
Address XX
Data
14
6
16
3b
Address
5
8
9
11
Data
10
12
Figure 174. External Memory Timing (SRWn1 = 0, SRWn0 = 1)
T1
System Clock (CLK_CPU)
ALE
A15:8 Prev. addr.
DA7:0 Prev. data
WR
DA7:0 (XMBK = 0)
RD
T2
T3
T4
1
4
7
2 3a 13
Address XX
6
Address
15
Data
16
3b
Address
5
10
8
9
Data
12
T5
14
11
4250E–CAN–12/04
369