Hardware interfaces
Version 8 dated 15.03.00
19
Siemens Information and Communication Products
4.3.3
Display
12 Pins for connection of a dot display (2 lines x 16 columns)
For detailed information on read and write timing see
Fig. 4-2 Write timing of display interface
and
. The corresponding timing values can be found in
Timing values of display interface
Fig. 4-2
Write timing of display interface
Fig. 4-3
Read timing of display interface
Signal
Function
I/O
Level
Comments
DCS#
Chip select
O
2.8V
may be disconnected if unused
DRS
Address (A0)
O
2.8V
may be disconnected if unused
DE
Data enable
O
2.8V
may be disconnected if unused
D8...D15
Databus
I/O
2.8V
may be disconnected if unused
HWR#
Write
O
2.8V
may be disconnected if unused
DCS#
HWR#
DRS
DE
t
10
t
11
t
13
t
14
t
15
t
16
D15:8
t
12
t
17
t
18
t
19
DCS#
HWR#
DRS
DE
t
20
t
11a
D15:8
t
12
t
23
t
21
t
22
DATA VALID