AK4650 Datasheet, PDF (4/86 Pages) Asahi Kasei Microsystems – 16Bit ΔΣ CODEC with MIC/HP/SPK-AMP & TSC

■ Block Diagram (Touch Screen Controller Block)
XP
YP
XN
YN
IN1
IN2
VBAT
R1
R2
Control
Logic
Internal
VREF(2.5V)
VREF+ VREF-
AIN+
12bit
AIN- ^ADC
(SAR type)
INTN
Pen
Interrupt
ADEXE
TSVDD
Figure 2. Block Diagram (TSC Blcok)
TSVSS
[AK4650]
SYNC
BITCLK
SDATAIN
SDATAOUT
VREF
MS0502-E-01
-4-
2007/04