— 31 —
• IC621 SYSTEM CONTROL (CXP84332-036Q)
Pin No.
Pin Name
I/O
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
BUSOUT
LODOUT
LODIN
NC
NC
FL.CLK
FL.DATA
NC
BLK
RESET
EXTAL
XTAL
V
SS
NC
TEX
AV
SS
AVREF
NC
NC
NC
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
–
–
–
–
–
O
O
O
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
CONTROL-A1 out
Loading motor PWM output for outside direction
Loading motor PWM output for inside direction
Not used
Not used
Clock for fluorenscent indicator and LED control
Data for fluorescent indicator and LED control
Not used
Reset for fluorescent indicator driver IC
Reset input
L:Reset
X’tal Oscillation (8MHz)
X’tal Oscillation (8MHz)
Ground
Not used
Ground
Ground
+5V power supply
Not used
Not used
Not used
• Abbreviation
PWM : Pulse Width Modulation
