6 Explanation of Connectors

6.1. Main Control Board

6.1.1. CN1 ( Optional PostScript Upgrade Kit I / F Connector )
Pin No. Signal Name Description Direction
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
GND
GND
FRDATA[7]
FRDATA[5]
FRDATA[3]
FRDATA[1]
FRMA[21]
FRMA[19]
FRMA[17]
FRMA[15]
FRMA[13]
FRMA[11]
FRMA[9]
FRMA[7]
FRMA[5]
FRMA[3]
FRMA[1]
GND
GND
NC
nFROE
NC
NC
GND
GND
3.3V
3.3V
FRDATA[6]
FRDATA[4]
FRDATA[2]
FRDATA[0]
FRMA[20]
FRMA[18]
FRMA[16]
FRMA[14]
FRMA[12]
FRMA[10]
FRMA[8]
FRMA[6]
FRMA[4]
FRMA[2]
FRMA[0]
3.3V
3.3V
nFRWE
nFRCS1
NC
NC
3.3V
3.3V
Ground
Ground
ROM Data 7
ROM Data 5
ROM Data 3
ROM Data 1
ROM Address 21
ROM Address 19
ROM Address 17
ROM Address 15
ROM Address 13
ROM Address 11
ROM Address 9
ROM Address 7
ROM Address 5
ROM Address 3
ROM Address 1
Ground
Ground
N.C.
ROM Output Enable
N.C.
N.C.
Ground
Ground
+3.3V
+3.3V
ROM Data 6
ROM Data 4
ROM Data 2
ROM Data 0
ROM Address 20
ROM Address 18
ROM Address 16
ROM Address 14
ROM Address 12
ROM Address 10
ROM Address 8
ROM Address 6
ROM Address 4
ROM Address 2
ROM Address 0
+3.3V
+3.3V
Flash ROM Write Enable
ROM Chip Select 1
N.C.
N.C.
+3.3V
+3.3V
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IN/OUT
IN/OUT
IN/OUT
IN/OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
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OUT
---
---
---
---
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IN/OUT
IN/OUT
IN/OUT
IN/OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
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OUT
OUT
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CN1 (Optional PostScript Upgrade Kit I/F Connector)

107
KX-P7105 / KX-P7110