Sam4s ER-390 Series Service Manual page 30

6 Reference Information
6-1 Semiconductor Base Diagram
Pin Port
1 P9.6 VFD Display Serial Data
2 P9.5 VFD Display Clock
3 P9.4 SEN_DISPDISCON
4 P9.3 DTR2
5 P9.2 Thermal Printer Head Serial Data
6 P9.1 Thermal Printer Head Serial Latch
7 P9.0 Thermal Printer Head Serial Clock
8 BYTE +5V (VCC)
9 CNVSS +5V (VCC)
10 P8.7 VPH_ONOFF
11 P8.6 RTC Serial Clock
12 RESET /RESET
13 XOUT N.C
14 VSS GND
15 XIN System Clock (14.7456MHz)
16 VCC +5V (VCC)
17 P8.5 Pull-Up (VCC)
18 P8.4 MCR TRACK 2 CLOCK
19 P8.3 Interrupt Power Fail Detect
20 P8.2 Interrupt Power Fail Detect
21 P8.1 Memory Chip Enable
22 P8.0 Buzzer
23 P7.7 TPH_PSTB#2
24 P7.6 TPH_PSTB#1
25 P7.5 LF Motor Phase B
26 P7.4 LF Motor Phase A
27 P7.3 LF Motor Enable
28 P7.2 RTC Serial Data
29 P7.1 RXD #2
30 P7.0 TXD #2
31 P6.7 TXD #1 (RS-232C #2)
32 P6.6 RXD #1 (RS-232C #2)
33 P6.5 DTR #1 (RS-232C #2)
34 P6.4 DSR #1 (RS-232C #2)
35 P6.3 TXD #0 (RS-232C #1)
36 P6.2 RXD #0 (RS-232C #1)
37 P6.1 DSR #0 (RS-232C #1)
38 P6.0 DTR #0 (RS-232C #1)
39 P5.7 Pull-Up (VCC)
40 P5.6 N.C (ALE)
41 P5.5 Pull-Up (VCC)
42 P5.4 N.C (/HLDA)
43 P5.3 N.C (BCLK)
44 P5.2 /RD (Read)
45 P5.1 N.C (/WRH)
46 P5.0 /WR (Write)
47 P4.7 /CS0 (Chip Select 0)
48 P4.6 /CS1 (Chip Select 1)
49 P4.5 /CS2 (Chip Select 2)
50 P4.4 /CS3 (Chip Select 3)
6-2
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Function I/O
Out
Out
In
Out
Out
Out
Out
-
-
Out
-
In
-
-
In
-
-
In
In
In
Out
Out
Out
Out
Out
Out
Out
-
In
Out
Out
In
Out
In
Out
In
In
Out
-
-
-
-
-
Out
-
Out
Out
Out
Out
Out
Pin Port Function
51 P4.3 Address 19
52 P4.2 Address 18
53 P4.1 Address 17
54 P4.0 Address 16
55 P3.7 Address 15
56 P3.6 Address 14
57 P3.5 Address 13
58 P3.4 Address 12
59 P3.3 Address 11
60 P3.2 Address 10
61 P3.1 Address 9
62 VCC +5V / VCC
63 P3.0 Address 8
64 VSS Ground
65 P2.7 Address 7
66 P2.6 Address 6
67 P2.5 Address 5
68 P2.4 Address 4
69 P2.3 Address 3
70 P2.2 Address 2
71 P2.1 Address 1
72 P2.0 Address 0
73 P1.7 DSR #2
74 P1.6 SEN_DWRCOMP
75 P1.5 MCR TRACK 3 CLOCK
76 P1.4 Spool Motor On/Off
77 P1.3 DRAWER OPEN
78 P1.2 MCR CARD DETECT
79 P1.1 MCR TRACK 3 DATA
80 P1.0 MCR TRACK 2 DATA
81 P0.7 Data 7
82 P0.6 Data 6
83 P0.5 Data 5
84 P0.4 Data 4
85 P0.3 Data 3
86 P0.2 Data 2
87 P0.1 Data 1
88 P0.0 Data 0
89 P10.7 SEN_LEVER
90 P10.6 SEN_DISCON
91 P10.5 ADC_BAT
92 P10.4 SEN_PEND_R
93 P10.3 MODE_SIG
94 P10.2 LCD INSTRUCTION
95 P10.1 LCD READ/WRITE
96 AVSS Ground
97 P10.0 TPH_Thermister(R-Side)
98 VREF ADC Reference Voltage Input
99 AVCC +5V (VCC)
100 P9.7 VFD Display Latch
I/O
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
-
Out
-
Out
Out
Out
Out
Out
Out
Out
Out
In
In
In
Out
Out
In
In
In
In/Out
In/Out
In/Out
In/Out
In/Out
In/Out
In/Out
In/Out
In
In
In
In
Out
Out
Out
-
In
In
-
Out
SAM4S ER-390 SERIES