Rainbow Electronics AT42QT4160 - Manual (Page 3)

3
9507AS–AT42–10/08
AT42QT4160
1.3 Wiring Diagram
Figure 1-1. Wiring Diagram
Suggested regulator manufacturers:
• Torex (XC6215 series)
• Seiko (S817 series)
• BCDSemi (AP2121 series)
Rp Rp
Ry3
Rs2 Rs0
Ry1
Ry2
Ry0
Rc
SCL
SDA
VREG
Rx3
Cs3
Cs2
Cs1
Cs0
Rx0
VDD
Rs3 Rs1
Rx2
Rx1
Vunreg
VDD
N/C
I C-COMPATIBLE 2
I C-COMPATIBLE 2
ADDRESS SELECT
CHANGE CHANGE
RST
QT4160
N/C
N/C
VDD
follow regulator manufacturer's recommended values for input
and output bypass capacitors; keep output capacitor close to
pins 4 and 6. If not possible, add a 100nF capacitor next to those pins.
N/C
MA
TRIX
X
DRIVE
MA
TRIX
Y
S
CAN
IN
NOTES:
1) The central pad on the underside of the chip
is a Vss pin and should be connected to ground.
Do not put any other tracks underneath
the body of the chip.
2) It is important to place all Cs, Rs, Rx and Ry
components physically near to the chip.