PSB4860HV4.1 Lantiq, PSB4860HV4.1 Datasheet - Page 131

• Manufacturer Part Number: PSB4860HV4.1
• Manufacturer: Lantiq

Specifications of PSB4860HV4.1

• Lead Free Status / Rohs Status: Supplier Unconfirmed

2.4.5.3
The has special support for KM29N040, KM29W8000 and KM29N16000 or equivalent
devices. Figure 71 shows the connection diagram for a single device.
Figure 71 Parallel Flash Memory Interface - Connection Diagram
No external components are required if up to four devices KM29N040 are used. The
select signals FCS
determines the number of connected devices automatically. Table 99 shows the signals
on the MA-lines during a device access.
Furthermore, none of the parallel flashs needs all address liness. Therefore, the upper
address lines can additionally be used to access multiple devices. Then, they have to be
decoded by an external decoder.
Table 99
MA
FCS
Data Sheet
11
3
MA
FCS
Parallel Flash Memory Interface
Address Line Usage (Samsung Mode)
10
2
MA
FCS
0
-FCS
9
1
3
MA
FCS
can directly be used to access up to four devices. The
8
0
MD
FRDY
0
FCLE
-MD
ALE
FWR
MA
A
FCS
FOE
23
7
7
MA
A
131
+5V
22
6
MA
A
21
R/B
WP
D
CE
RE
WE
CLE
ALE
5
0
-D
7
MA
A
20
4
MA
A
19
3
MA
A
18
2
MA
A
PSB 4860
17
2000-01-14
1
MA
A
16
0