User Guide

CCS Technical Documentation User Interface
Issue 1 07/02 ¤Nokia Corporation Page 9
4 D0 IN H: 0.7xVDDI
L: 0
H: VDDI
L: 0.3xVDDI
V Data to write
OUT H: 0.8xVDDI
L: 0
H: VDDI
L: 0.2 x VDDI
V Data to read
5 A0 IN H: 0.7xVDDI
L: 0
H: VDDI
L: 0.3xVDDI
V H: data
L: command
6 GND 0 V System ground
7 VDDI IN 1.65 1.8 1.95 V Logic voltage
supply
8 D1 IN H: 0.7xVDDI
L: 0
H: VDDI
L: 0.3xVDDI
V Data to write
OUT H: 0.8xVDDI
L: 0
H: VDDI
L: 0.2 x VDDI
V Data to read
9 D2 IN H: 0.7xVDDI
L: 0
H: VDDI
L: 0.3xVDDI
V Data to write
OUT H: 0.8xVDDI
L: 0
H: VDDI
L: 0.2 x VDDI
V Data to read
10 D3 IN H: 0.7xVDDI
L: 0
H: VDDI
L: 0.3xVDDI
V Data to write
OUT H: 0.8xVDDI
L: 0
H: VDDI
L: 0.2 x VDDI
V Data to read
11 Rocker3 200 mOhm
12 Rocker2 200 mOhm
13 GND 0 V System ground
14 Rocker5 200 mOhm
15 Rocker4 200 mOhm
16 Rocker1 200 mOhm
17 V
LED
+ IN/
OUT
4.5 V LED, positive ter-
minal
18 V
LED
- IN/
OUT
0 0 Vbat V LED, negative
terminal
19 Row1 IN/
OUT
1 Ohm Tracking resist-
ance
1 mA Drive current
20 Row0 IN/
OUT
1 Ohm Tracking resist-
ance
1 mA Drive current
1 mA Drive current