Service manual

34
LC-20B8U-S
LC-20B9U-S
LC-20B9U-SM
MAJOR IC INFORMATION
1. IC2001 (RH-iXA628WJN1Q), (RH-iXA628WJZZQ)
1-1.Pin Connections
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
P6_7/TXD1/SDA1
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
P6_6/RXD1/SCL1
P6_5/CLK1
P6_4/CTS1/RTS1/CTS0/CLKS1
P6_3/TXD0/SDA0
P6_2/RXD0/SCL0
P6_1/CLK0
P6_0/CTS0/RTS0
P5_7/RDY/CLKOUT
P5_6/ALE
P5_5/HOLD
P5_4/HLDA
P5_3/BCLK
P5_2/RD
P5_1/WRH/BHE
P5_0/WRL/WR
P4_7/CS3
P4_6/CS2
P4_5/CS1
P4_4/CS0
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
RH-IXA628WJN1Q
RH-IXA628WJZZQ
Note 1: N channel open drain outputs
Pin Connections (Top View)
P0_7/AN0_7/D7
P0_6/AN0_6/D6
P0_5/AN0_5/D5
P0_4/AN0_4/D4
P0_3/AN0_3/D3
P0_2/AN0_2/D2
P0_1/AN0_1/D1
P0_0/AN0_0/D0
P10_7/AN7/KI3
P10_6/AN6/KI2
P10_5/AN5/KI1
P10_4/AN4/KI0
P10_3/AN3
P10_2/AN2
P10_1/AN1
VSS
P10_0/AN0
VREF
AVCC
P9_7/ADTRG/SIN4
P1_0/D8 P1_1/D8 P1_2/D10 P1_3/D11 P1_4/D12 P1_5/D13/INT3 P1_6/D17/INT4 P1_7/D15/INT5 P2_0/AN2_0A0(/D0/) P2_1/AN2_1A1(/D1/D0) P2_2/AN2_2A2(/D2/D1) P2_3/AN2_3A3(/D3/D2) P2_4/AN2_4A4(/D4/D3) P2_5/AN2_5A5(/D5/D4) P2_6/AN2_6A6(/D6/D5) P2_7/AN2_7A7(/D7/D6) VSS P3_0/A8(/_/D7) VCC2 P3_1/A9 P3_2/A10 P3_3/A11 P3_4/A12 P3_5/A13 P3_6/A14 P3_7/A15 P3_0/A16 P3_1/A17 P3_2/A18 P3_3/A19
P9_6/ANEX1/SOUT4
P9_5/ANEX0/CLK4
P9_4/DA1/TB4IN P9_3/DA0/TB3IN
P9_2/TB2IN/SOUT3
P9_1/TB1IN/SIN3
P9_0/TB0IN/CLK3
BYTE
CNVSS
P8_7/XCIN
P8_XCOUT
RESET
XOUT
VSS
XIN
VCC1
P8_5/NMI
P8_INT2/ZP
P8_3/INT1 P8_2/INT0
P8_1/TA4IN
P8_0/TA4OUT/U
P7_7/TA3IN
P7_6/TA3OUT
P7_5/TA2IN/
P7_4/TA2OUT/W
P7_3/CTS2/RTS2/TA1IN/
P7_2/ACLK2/TA1OUT/V
P7_1/RXD2/SCL2/TA0INTB5IN(
Note
1)
P7_0/TXD2/SDA2/TA0OUT(
Note
1)