HA12231FP
Pin Description, Equivalent Circuit (cont.)
(VCC = 9 V, A system of single supply voltage, Ta = 25°C, No Signal, The value in the table shows typical value.)
Pin No. Pin Name
Note
Equivalent Circuit
Description
9
Mute
Mode control input
10
FOR/REV
8
120/70
22 k
12
MS
100 k
GND
MS VCC
I
MS output (to MPU) *
7
MS GV
V = VCC/2
20
GND
Note: MS: Music Sensor
200
100 k
D GND
V
90 k
MS gain pin *
GND pin
Rev.2.00 Jun 15, 2005 page 3 of 22