AK4184 Datasheet, PDF (2/36 Pages) Asahi Kasei Microsystems – TSC with Keypad Scanner and GPIO Expander

[AK4184]
C1 C2 C3 C4 C5 C6
R1 R2 R3 R4 R5
GP0 GP1 GP2 GP3
XP
YP
XN
YN
BRCONT
AVDD
Keypad Scanner
GPIO I/F
Control
Logic
VREF+ VREF-
AIN+ _12bit
AIN-_(SAADRCtype)
Serial
Data
I/F
and
Level
Shifter
PW M Generator
OSCILLATOR
PEN
and
Keypad
INTERRUPT
VSS1
Block Diagram
VSS2
GP4
GP5
GP6
GP7
IOVDD
SCLK
CSN
DOUT
DIN
BUSY
KEYIRQN
PENIRQN
RESETN
MS0603-E-00
2
2007/04