Pin No.
Port
I/O
Function Name
1
P5_6
IN
VFD_DATA_SW
2
P3_2
IN
ADDRESS_02
3
P3_0
IN
ADDRESS_00
4
P4_2
IN
ADDRESS_10
5
MODE
MODE
6
P4_3
IN
ADDRESS_11
7
P4_4
IN
ADDRESS_12
8
/RESET
FLD_RST
9
P4_7
XTAL
XOUT (20MHz)
10
VSS, AVSS
VSS
11
P4_6
XTAL
XIN (20MHz)
12
VCC, AVCC
VCC
13
P3_7
S-TX
FL_SI2
14
P3_5
S-CLK
FL_CLK2
15
P3_4
IN
ADDRESS_04
16
P3_3
IN
ADDRESS_03
17
P2_7
IN
ADDRESS_07
18
P2_6
IN
ADDRESS_06
19
P2_5
IN
ADDRESS_05
20
P2_4
OUT
VFD_DATA_REQ
21
P2_3
NC
22
P2_2
OUT
FL_LAT
23
P2_1
NC
24
P2_0
OUT
FL_BK
25
P3_6
NC
26
P3_1
IN
ADDRESS_01
IC701
(VFD2)
Pin No.
Port
I/O
Function Name
27
P6_7
IN
DATA0F
28
P6_6
IN
DATA0E
29
P6_5
IN
DATA0D
30
P4_5
OUT
VFD_DATA_ACK
31
P1_7
OUT
VFD_DATA_SW_STAT
32
P1_6
S-CLK
FL_CLK1
33
P1_5
IN
VFD_FIX_DISP_REQ
34
P1_4
S-TX
FL_SI1
35
P1_3
IN
VFD_MUTE 3
36
P1_2
IN
VFD_MUTE 2
37
P1_1
IN
VFD_MUTE 1
38
P1_0
IN
VFD_MUTE 0
39
P0_7
IN
DATA07
40
P0_6
IN
DATA06
41
P0_5
IN
DATA05
42
P0_4
IN
DATA04
43
P0_3
IN
DATA03
44
P0_2
IN
DATA02
45
P0_1
IN
DATA01
46
P0_0
IN
DATA00
47
P6_4
IN
DATA0C
48
P6_3
IN
DATA0B
49
P6_2
IN
DATA0A
50
P6_1
IN
DATA09
51
P6_0
IN
DATA08
52
P5_7
OUT
VFD_MUTE_STATUS
40
NP-S20
0
0
NP-S2000