Kenwood DM-3090 Service Manual page 15

Pin No. Port Name
45-54 P23/DIG19-
P12/DIG10
55,56 P11/SEG41/DIG9,
P10/SEG40/DIG8
57-60 P07/SEG39/DIG7- UDIG12-UDIG15
P04/SEG36/DIG4
61-64 P05/SEG35/DIG3-
P00/SEG33/DIG0
65-72 P37/SEG31-
P30/SEG25
72-80 P97/SEG23-
P90/SEG16
81-88 P87/SEG15-
P80/SEG8
89,90 PA7/SEG7,
PA6/SEG6
91 VCC
92-97 PA5/SEG5-
PA0/SEG0
98 VEE
99 AVSS
100 VREF
CIRCUIT DESCRIPTION
Terminal Name Input/Output
UDIG0-UDIG9 Output
UDIG10,UDIG11 Output
Output
S35-S32 Output
S31-S25 Output
S0-S8 Output
S9-S16 Output
S17,S18 Output
VCC Input
S19-S24 Output
VEE Input
AVSS Input
VREF Input
Function
Digit for FL drive
Digit for FL drive
Digit for FL drive
Segment for FL drive
Segment for FL drive
Segment for FL drive
Segment for FL drive
Segment for FL drive
+5V
Segment for FL drive
-30V
GND
+5V
DM-3090
15