AK4650 Datasheet, PDF (85/86 Pages) Asahi Kasei Microsystems – 16Bit ΔΣ CODEC with MIC/HP/SPK-AMP & TSC

MARKING
[AK4650]
4650
XXXX
XXXX: Date code (4 digit)
Pin #1 indication
REVISION HISTORY
Date (YY/MM/DD) Revision Reason
Page Contents
06/04/24
00
First Edition
07/04/18
01
Error correct 7
Pin/Function
VCOM pin:
“Common Voltage Output Pin.” Æ
“Common Voltage Output Pin, 0.45 x AVDD.”
VCOC2 pin: “Output 1” Æ “Output 2”
45
A/D Converter for Touch Screen
“The AK4650 incorporates a 12-bit successive
approximation resistor A/D converter for
position measurement, temperature, and battery
voltage.”
Æ “The AK4650 incorporates a 12-bit successive
approximation resistor A/D converter for
position measurement, and battery voltage.”
48
Voltage Reference (VREF)
“This reference is used in the single-ended mode
for the battery monitoring, temperature
measurement, or for auxiliary input.”
Æ “This reference is used in the single-ended
mode for the battery monitoring, or for auxiliary
input.”
49
Pen Interrupt
“If the temperature, VBAT, or auxiliary inputs is
selected, INTN pin is forced to “H” regardless of
the touched/non-touched state.”
Æ “If VBAT, or auxiliary inputs is selected,
INTN pin is forced to “H” regardless of the
touched/non-touched state.”
58
Method using SDTAIN Slot
4-1. Sequential measurement of set item:
“(1) When SLOT bit = “1”, pen touch waiting
state (PM12AD bit = “0”) should set.”
Æ “(1) When SLOT bit = “1”, pen touch
waiting state (PM12AD bit = “0” and PINTE bit
= “1”) should set.”
MS0502-E-01
- 85 -
2007/04