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
Function I/O Pin Port
Out 51 P4.3
Out 52 P4.2
In 53 P4.1
Out 54 P4.0
Out 55 P3.7
Out 56 P3.6
Out 57 P3.5
- 58 P3.4
- 59 P3.3
Out 60 P3.2
- 61 P3.1
In 62 VCC
- 63 P3.0
- 64 VSS
In 65 P2.7
- 66 P2.6
- 67 P2.5
In 68 P2.4
In 69 P2.3
In 70 P2.2
Out 71 P2.1
Out 72 P2.0
Out 73 P1.7
Out 74 P1.6
Out 75 P1.5
Out 76 P1.4
Out 77 P1.3
- 78 P1.2
In 79 P1.1
Out 80 P1.0
Out 81 P0.7
In 82 P0.6
Out 83 P0.5
In 84 P0.4
Out 85 P0.3
In 86 P0.2
In 87 P0.1
Out 88 P0.0
- 89 P10.7
- 90 P10.6
- 91 P10.5
- 92 P10.4
- 93 P10.3
Out 94 P10.2
- 95 P10.1
Out 96 AVSS
Out 97 P10.0
Out 98 VREF
Out 99 AVCC
Out 100 P9.7
Function
Address 19
Address 18
Address 17
Address 16
Address 15
Address 14
Address 13
Address 12
Address 11
Address 10
Address 9
+5V / VCC
Address 8
Ground
Address 7
Address 6
Address 5
Address 4
Address 3
Address 2
Address 1
Address 0
DSR #2
SEN_DWRCOMP
MCR TRACK 3 CLOCK
Spool Motor On/Off
DRAWER OPEN
MCR CARD DETECT
MCR TRACK 3 DATA
MCR TRACK 2 DATA
Data 7
Data 6
Data 5
Data 4
Data 3
Data 2
Data 1
Data 0
SEN_LEVER
SEN_DISCON
ADC_BAT
SEN_PEND_R
MODE_SIG
LCD INSTRUCTION
LCD READ/WRITE
Ground
TPH_Thermister(R-Side)
ADC Reference Voltage Input
+5V (VCC)
VFD Display Latch
SAM4S ER-390 SERIES
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