ak4184a AKM Semiconductor, Inc., ak4184a Datasheet - Page 2

• Manufacturer Part Number: ak4184a
• Description: Tsc With Keypad Scanner And Gpio Expander
• Manufacturer: AKM Semiconductor, Inc.

MS0947-E-00
BRCONT
YP
XN
YN
XP
C1
C2
AVDD
C3
C4
VSS1
C5
Keypad Scanner
C6
P W M G e n e r a t o r
AIN+
AIN-
VREF+
Figure 1. Block Diagram
R1
(SAR type)
12bit
ADC
R2
VREF-
- 2 -
R3
R4
R5
OSCILLATOR
Control
Logic
GP0 GP1 GP2 GP3
VSS2
GPIO I/F
INTERRUPT
Shifter
Keypad
Serial
Level
Data
and
PEN
and
I/F
SCLK
CSN
DIN
IOVDD
DOUT
BUSY
PENIRQN
RESETN
KEYIRQN
GP4
GP5
GP6
GP7
[AK4184A]
2008/04