AK4673 Datasheet, PDF (6/107 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP and Touch Screen Controller

[AK4673]
A9 NC
-
No Connection pin
No internal bonding. This pin should be connected to ground (VSS1, VSS2 or VSS3 pin).
A8
RIN4
IN4−
I Rch Analog Input 4 Pin (L4DIF bit = “0”: Single-ended Input)
I Negative Line Input 4 Pin (L4DIF bit = “1”: Full-differential Input)
B7 ^LIN4
IN4+
I Lch Analog Input 4 Pin (L4DIF bit = “0”: Single-ended Input)
I Positive Line Input 4 Pin (L4DIF bit = “1”: Full-differential Input)
A7 ^ROUT
LON
O Rch Stereo Line Output Pin (LODIF bit = “0”: Single-ended Stereo Output)
O Negative Line Output Pin (LODIF bit = “1”: Full-differential Mono Output)
A6
LOUT
LOP
O Lch Stereo Line Output Pin (LODIF bit = “0”: Single-ended Stereo Output)
O Positive Line Output Pin (LODIF bit = “1”: Full-differential Mono Output)
B6 ^MIN
LIN3
I Mono Signal Input Pin (AIN3 bit = “0”: PLL is available.)
I Lch Analog Input 3 Pin (AIN3 bit = “1”: PLL is not available.)
A5 NC
-
No Connection pin
No internal bonding. This pin should be connected to ground (VSS1, VSS2 or VSS3 pin).
B5
RIN2
IN2−
I Rch Analog Input 2 Pin (MDIF2 bit = “0”: Single-ended Input)
I Microphone Negative Input 2 Pin (MDIF2 bit = “1”: Full-differential Input)
B4
LIN2
IN2+
I Lch Analog Input 2 Pin (MDIF2 bit = “0”: Single-ended Input)
I Microphone Positive Input 2 Pin (MDIF2 bit = “1”: Full-differential Input)
A3
LIN1
IN1−
I Lch Analog Input 1 Pin (MDIF1 bit = “0”: Single-ended Input)
I Microphone Negative Input 1 Pin (MDIF1 bit = “1”: Full-differential Input)
B2 ^RIN1
IN1+
I Rch Analog Input 1 Pin (MDIF1 bit = “0”: Single-ended Input)
I Microphone Positive Input 1 Pin (MDIF1 bit = “1”: Full-differential Input)
A4 TSVDD
- TSC Power Supply Pin, 2.5 ~ 3.6V. This pin should be connected to TVDD1 pin.
B3 NC
-
No Connection pin
No internal bonding. This pin should be connected to ground (VSS1, VSS2 or VSS3 pin).
D1 XP
Touch Screen X+ plate Voltage supply
„ X axis Measurement: Supplies the voltage to X+ position input of the touch panel.
I/O „ Y axis Measurement: This pin is used as the input for the A/D converter
„ Pen Pressure Measurement: This pin is the input for the A/D converter at Z1 measurement.
„ Pen Waiting State: Pulled up by an internal resistor (typ.10K ohm).
E1 YP
Touch Screen Y+ plate Voltage supply
„ X axis Measurement: This pin is used as the input for the A/D converter
I/O „ Y axis Measurement: Supplies the voltage to Y+ position input of the touch panel
„ Pen Pressure Measurement: Supplies the voltage to Y+ position input of the touch panel.
„ Pen Waiting State: OPEN state
F1 XN
Touch Screen X- plate Voltage supply
„ X axis Measurement: Supplies the voltage to X- position input of the touch panel
I/O „ Y axis Measurement: OPEN state
„ Pen Pressure Measurement: Supplies the voltage to X- position input of the touch panel
„ Pen Waiting State: OPEN state
G1 YN
Touch Screen Y- plate Voltage supply
„ X axis Measurement: OPEN state
I/O „ Y axis Measurement: Supplies the voltage to Y- position input of the touch panel
„ Pen Pressure Measurement: This pin is the input for the A/D converter at Z2 measurement.
„ Pen Waiting State: connected to VSS3.
J5 VSS3
- Ground 3 Pin
Pen Interrupt Output
F8 PENIRQN O This pin is “L” during the pen down on pen interrupt enabled state otherwise this pin is
F9 CADT
E8 SDAT
E9 SCLT
“H”. This pin is “L” during the pen interrupt disabled regardless pen touch.
I TSC block I²C bus Slave Address(CADT) bit Select Pin
I/O TSC block I²C serial data.
I TSC block I²C serial clock.
C3 NC
-
No Connection pin
No internal bonding. This pin should be connected to ground (VSS1, VSS2 or VSS3 pin).
Note 1. All input pins except analog input pins (MIN/LIN3, LIN1, RIN1, LIN2, RIN2, RIN3, RIN4, LIN4, XP, YP, XN
and YN) should not be left floating.
MS0670-E-00
-6-
2007/09