32
CRX-E300
CRX-E300
IC201: M30217MAAFP (OPERATION P.C.B.)
No.
PORT
Name
IN/OUT
Function
23
P77
CCB
O
CCB (LC72131 / LC72720 / LC78211) CE OUT
24
P76
CLK1
O
LC72131 / LC72720 / LC78211 CLK OUT
25
P75
RxD1
I
LC72131 / LC72720 DATA IN
26
P74
TxD1
O
LC72131 / LC72720 / LC78211 DATA OUT
27
P73
SYSIN
I
System Communication Input
28
P72
SYSO
O
System Communication Output
29
P71
/MLD
O
[CD] Microprocessor Command Store Request
30
P70
RONCE
O
CE OUT to EEPROM
31
P47
FROMBS
O
Busy OUT from Built-in Flash ROM / Expansion Port (BU2092) Latch OUT
32
P46
FROMCLK
O
CLK IN to Built-in Flash ROM / EEPROM / CLK OUT to BU2092
33
P45
FROMDI
I
DATA IN from Built-in Flash ROM / DATA IN from EEPROM
34
P44
FROMDO
O
DATA OUT to Built-in Flash ROM / EEPROM / DATA OUT to BU2092
35
P43
FLD51
I/O(POD)
36
P42
DIG16
I/O(POD)
DIGIT 16
[VEE external pull-down required]
37
P41
DIG15
I/O(POD)
DIGIT 15
[VEE external pull-down required]
38
P40
DIG14
I/O(POD)
DIGIT 14
[VEE external pull-down required]
39
P37
DIG13
I/O(POD)
DIGIT 13
[VEE external pull-down required]
40
P36
DIG12
I/O(POD)
DIGIT 12
[VEE external pull-down required]
41
P35
DIG11
I/O(POD)
DIGIT 11
[VEE external pull-down required]
42
P34
DIG10
I/O(POD)
DIGIT 10
[VEE external pull-down required]
43
P33
DIG9
I/O(POD)
DIGIT 9
[VEE external pull-down required]
44
P32
DIG8
I/O(POD)
DIGIT 8
[VEE external pull-down required]
45
P31
DIG7
I/O(POD)
DIGIT 7
[VEE external pull-down required]
46
P30
DIG6
I/O(POD)
DIGIT 6
[VEE external pull-down required]
47
P27
DIG5
POD O
DIGIT 5
[VEE external pull-down required]
48
P26
DIG4
POD O
DIGIT 4
[VEE external pull-down required]
49
P25
DIG3
POD O
DIGIT 3
[VEE external pull-down required]
50
P24
DIG2
POD O
DIGIT 2
[VEE external pull-down required]
51
P23
DIG1
POD O
DIGIT 1
[VEE external pull-down required]
52
P22
SEG1
POD O
SEGMENT 1 (P1)
[VEE external pull-down required]
53
P21
SEG2
POD O
SEGMENT 2 (P2)
[VEE external pull-down required]
54
P20
SEG3
POD O
SEGMENT 3 (P3)
[VEE external pull-down required]
55
P17
SEG4
POD O
SEGMENT 4 (P4)
56
P16
SEG5
POD O
SEGMENT 5 (P5)
SEGMENT 6 (P6)
SEGMENT 7 (P7)
SEGMENT 8 (P8)
SEGMENT 9 (P9)
SEGMENT 10 (P10)
SEGMENT 11 (P11)
Power 5V
[Back-up electrolytic capacitor for clock required]
SEGMENT 12 (P12)
GND
SEGMENT 13 (P13)
SEGMENT 14 (P14)
68
P04
SEG15
POD O
SEGMENT 15 (P15)
69
P03
SEG16
POD O
SEGMENT 16 (P16)
70
P02
SEG17
POD O
SEGMENT 17 (P17)
71
P01
SEG18
POD O
SEGMENT 18 (P18)
72
P00
SEG19
POD O
SEGMENT 19 (P19)
73
P57
SEG20
POD O
SEGMENT 20 (P20)
74
P56
SEG21
POD O
SEGMENT 21 (P21)
75
P55
SEG22
POD O
SEGMENT 22 (P22)
76
P54
SEG23
POD O
SEGMENT 23 (P23)
77
P53
SEG24
POD O
SEGMENT 24 (P24)
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