10-2
SAM4S ER-280 SERIES
A
B
C
1
of
Rev
4
3
2
1
A
B
C
XOUT
ALL_CLEAR
_RESET
VDD50V
SD_XIN
_WR
_CS0
_CS2
_CS3
A(0:19)
D(0:7)
XIN
XOUT
100
R107
RXD3
100
R101
R103
10K
TXD1
DTR1
DTR0
RXD0
Size
ER280 MAIN.SCH
ER-280
TITLE :
RXD2
DTR2
DD
11
Sheet
1.3
2
VDD50V
22pF
C54
4.7K
R99
XIN
T4
KBD
_RD
_CS1
VDD50V
100uF
CE6
16V
VDD50V
100nF
C60
TXD3
100
R100
TXD0
RXD1
A3
Date
100pF
C14
VDD50V
R21
4.7K
CPU BLOCK
2007.02.28
DD
100pF
C40
DRAWER
TXD2
K.Y CHOI
Drawn by
4
3
1
VDD50V
VDD50V
100nF
C52
[ SYSTEM CLOCK BLOCK ]
2
CN11:B
_RESET
VDD50V
R93
10K
PGM
FIS/EXTERN
SRAM
A(17)
A(18)
A(15)
A(13)
A(12)
A(9)
A(10)
A(7)
A(5)
A(4)
A(2)
A(1)
D(7)
D(5)
D(4)
D(2)
D(1)
File Name
DISPLAY_LATCH
DISPLAY_CLK
TPH_STB(R)#1
SEN_THERMIST(R)_IN
LOWBAT
TPH_STB(J)#2
ALL_CLEAR
TPH_LAT
TPH_DATA
LCD_R/W
SEN_DWRCOMP
INT0_PFAIL
MEM_CE
STEP_PHA
STEP_EN(R)
STEP_EN(J)
VPH_ONOFF
MCR_RCP3
SD_INT
MCR_CPD23
RTC_SDA
MCR_RDD2
22pF
C55
R97
200
14.7456MHZ
X1
200
R98
3
CN11:C
1
CN11:A
CON-NOWALL;3P,2.54MM,ST
[ ALL CLEAR SWITCH ]
VDD50V
SD_RESET
VDD50V
1
2
7
14
U10:A
74HC14
3
4
U10:B
74HC14
2
VDD
3
GND
1
/RST
AME8500CEETBE4
U23
MMBD6050LT1
D20
[ RESET BLOCK ]
VDD50V
R91
10K
R92
100
A(19)
A(16)
A(14)
A(8)
A(6)
A(3)
A(11)
A(0)
D(6)
D(3)
D(0)
VDD50V
100uF
CE1
16V
[MAIN CPU BLOCK]
DISPLAY_DATA
TPH_STB(R)#2
100pF
C11
TPH_CLK
TPH_STB(J)#1
SEN_THERMIST(J)_IN
R12
100
LCD_RS
BUZZER
STEP_PHB
VOLT_ONOFF
R28
4.7K
RTC_SCLK
MCR_RDD3
MCR_RCP2
SPOOL_MOT
R122
10K
MMBD6050LT1
D21
100nF
C53
100nF
C56
R94
100
R7
100
VDD50V
Shin Heung Precision Co., Ltd.
16
VCC2
14
VSS2
8
BYTE
64
VSS1
15
XIN
41
P55/nHOLD
44
P52/nRD/nDW
48
P46/A22/nCS1
47
P47/A23/nCS0
51
P43/A19
50
P44/A20/nCS3
54
P40/A16
53
P41/A17
63
P30/A8/D8
61
P31/A9/D9
66
P26/A6/D6
65
P27/A7/D7
69
P23/A3/D3
68
P24/A4/D4
72
P20/A0/D0
71
P21/A1/D1
82
P06/D6
81
P07/D7
85
P03/D3
84
P04/D4
88
P00/D0
87
P01/D1
99
AVCC
98
VREF
90
P106/AN6/nKI2
89
P107/AN7/nKI3
93
P103/AN3
92
P104/AN4/nKI0
97
P100/AN0
95
P101/AN1
11
P86/XCOUT
10
P87/XCIN
19
P83/nINT1
18
P84/nINT2
22
P80/TA4OUT/U
21
P81/TA4/nU
24
P76/TA3OUT
23
P77/TA3IN
26
P74/TA2OUT/W
32
P66/RXD1
31
P67/TXD1
35
P63/TXD0
38
P60/nCTS0/nRTS0
37
P61/CLK0
74
P16/D14/nINT4
73
P17/D15/nINT5
77
P13/D11
76
P14/D12
80
P10/D8
79
P11/D9
12
nRESET
9
CNVSS
13
XOUT
62
VCC1
39
P57/RDY
52
P42/A18
49
P45/A21/nCS2
67
P25/A5/D5
70
P22/A2/D2
83
P05/D5
86
P02/D2
96
AVSS
91
P105/AN5/nKI1
94
P102/AN2
17
P85/nNMI
20
P82/nINT0
25
P75/TA2IN/nW
33
P65/CLK1
36
P62/RXD0
75
P15/D13/nINT3
78
P12/D10
40
P56/ALE/nRAS
43
P53/BCLK/ALE/CLKOUT
46
P50/nWRL/nWR/CASL
56
P36/A14/D14
55
P37/A15/D15
59
P33/A11/D11
58
P34/A12/D12
1
P96/ANEX1/TXD4/SDA4
100
P97/ADTRG/RXD4/SCL4
4
P93/DA0/TB3IN/nCTS3
3
P94/DA1/TB4IN/nCTS4
7
P90/YB0IN/CLK3
6
P91/TB1IN/RXD3/SCL3
27
P73/nCTS2/nRTS2/TA
30
P70/TXD2/SDA2/TA0OUT
29
P71/RXD2/SCL2/TA0IN
34
P64/nCTS1/nRTS1
42
P54/nHLDA/ALE
45
P51/nWRH/nBHE/CAS
57
P35/A13/D13
60
P32/A10/D10
2
P95/ANEX0/CLK4
5
P92/TB2IN/TXD3/SDA3
28
P72/CLK2/TA1OUT
M30800SFP
U17
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