MC33215
PIN FUNCTION DESCRIPTION (continued)
Pin
SDIP–42 TQFP–52
Name
N/C
Description
–
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
Not Connected
22
23
24
25
–
RXS
RXO
GRX
RXI
Receive Amplifier Stability
Receive Amplifier Output
Earpiece Amplifier Feedback Input
Receive Amplifier Input
N/C
Not Connected
–
N/C
Not Connected
26
27
28
29
30
31
32
33
34
35
36
37
38
–
RBN
RSE
RSA
RLS
Gnd
AGC
REF
SWD
VOL
LSI
Receive Background Noise Envelope Timing Adjustment
Receive Signal Envelope Timing Adjustment
Receive Sensitivity Adjustment
Receive Output for Loudspeaker Amplifier
Small Signal Ground
Line Length AGC Adjustment
Reference Current Set
Switching Depth Adjustment for Handsfree
Volume Control Adjustment
Loudspeaker Amplifier Input
Peak–to–Peak Limiter Timing Adjustment
Bias Voltage for Loudspeaker Amplifier Output
Loudspeaker Amplifier Feedback Input
Not Connected
PPL
BVO
LSF
N/C
–
N/C
Not Connected
39
40
41
42
–
LSB
VLS
LSO
PGD
N/C
Loudspeaker Amplifier Bootstrap Output
Supply Input for Loudspeaker Amplifier
Loudspeaker Amplifier Output
Power Ground
Not Connected
7
MOTOROLA ANALOG IC DEVICE DATA
MOTOROLA [ MOTOROLA ]
