Teledyne 300E Instruction Manual page 250

1
M1 M2
M3 M4 S8
S7
D
M6 M5
S6
M7
S5
S4
M9 M8
S3
M10 MF3
S2
MF4
S1
C
S9
RI-1000 ONLY
OPT. MAINT SWITCH
J4
T8201
MAINT SW MAINT_SW
1
MAINT SW RET
2
MAINT LED V+ MAINT_LED_V+
3
MAINT LED MAINT_LED
4
LANG SW LANG_SELCT
5
LANG SW RET
6
SPR I/O_0 SPR_I/O_0
7
SPR I/O RET
8
SPR I/O_1 SPR_I/O_1
9
SPR I/O RET
B
10
SPR I/O_2 SPR_I/O_2
11
SPR I/O RET
12
OPT. LANG. SWITCH
13
14
S13
3M-2514-6002UB
GND VCC +5_DISP SDA
TP1 TP2 TP3 TP4
VCC +5_DISP
DISP_PWR DISP_RET BUSY SCL
TP6 TP7 TP8 TP9
DISP_BUSY
DISP_PWR DISP_RET
1 6 1
SCL
+5_DISP +5_DISP
2 7 2
KYBRD_INT
3 8 3
VCC DISP_RET VCC
4 9 4
A
5 10 5
SDA SDA
JP3
J1 J2
1
2
VCC
U1
19
D_A
1 18
Y1 D_B
2 17
Y2 D_C
3 16
Y3 D_D
4 15
Y4 D_E
5
Y5
6 13
OSC AVL
7
KBM
C1
12
X1
.1uF + C6 14 11
OE X2
9
X3
10uF 8
X4
74C923
VCC
VCC
R2 U3A
1.0K
4
PRE
3
CLK Q
RN1 2
D Q
1
4.7K
CLR
C7
MM74HC74A
300pF
S12
VCC
RN5
4.7K
KBD_A0
KBD_A1
KBD_A2 DISP_DA_A0
DISP_CN_A0 DISP_DA_A1
DISP_CN_A1 DISP_DA_A2
DISP_CN_A2
DEFAULT ADDRESS SELECTS FOR I2C TO PARALLEL
JP1
DECODERS:
ADRS SLCTS
KEYBOARD (KBD_A0 - A2)
1 1 1
DISPL CONTROL (DISP_CN_A0 -A1)
0 1 1
KYBRD INT
TP5
NOTES:
SDA KYBRD_INT
1. This schematic is based on the
R3
4.7K R4
SCL
4.7K
+5_DISP
6 DISP_RET
SCL
7
KYBRD_INT
8
C11 C12 C10 + C14 C4
DISP_RET
9
10 220pF 220pF 220pF 100uF .1uF
JP4
DISP_RET
2
3 4
VCC
KEYBOARD, LED & HORN
U2
KBD_A0 21 4
A0 P00
KBD_A1
2 5
A1 P01
KBD_A2
3 6
A2 P02
1 7
INT P03
8
P04
SCL 22 9 MAINT_SW
SCL P05
SDA LANG_SELCT
23 10
SDA P06
11
P07
13 GRN LED
P10
14 YEL LED
PCF8575
P11
RED LED
15
P12
LED 4
16
P13
17 LED 5
P14
18 LED 6
P15
19 HORN
P16
20 SPR_I/O_0
P17
5
6
VCC
DISP_DA_A0
U3B DISP_DA_A1
10 DISP_DA_A2
PRE
11 9 KYBRD_INT
CLK Q
12 8 SCL
D Q
13 SDA
CLR
MM74HC74A
PCF8574
DISPLAY DATA
JP2 I2C TERMINATION
SCL
1 2
SDA
3 4
DISP_PWR_EN must be
high for display to be
powered.
DISP_CN_A0
DISP_CN_A1
DISP_CN_A2
SCL
PWB PN, 03974 and applies to
SDA
PCA PN, 03975
VCC
(U1) (U2) (U4)
C9 C8 + C13 C2 C3 C5 C15
220pF 220pF 10uF .1uF .1uF .1uF .1uF
3 4
5
VCC
RN3
DS1 GRN
1
2
DS2 3
YEL
4
5
DS3
RED
220
DS4
+
DS5
DS6
RI-1000 ONLY
A1
SONALERT
VCC
U4
J3 TO/FRM DISPLAY
1 4
AO P0 2
2 5
A1 P1 4
3 6
A2 P2 6
7
P3 8
14 9
SCL P4 10
15 10
SDA P5 12
11
P6 14
12
P7 16
13
INT
+5_DISP
VCC
C17
VCC
RN2
4.7K
1500uF
DISPLAY CONTROL
U5
1 4 DISP_WR
AO P0
2 5 DISP_BUSY
A1 P1
DISP_PWR_EN
3 6
A2 P2
MAINT_LED
7
P3 MCP120T
14 9
SCL P4 1 3
15 10 Vdd RST
SDA P5
11 U6
P6
12
P7
13
INT
4.85V DTCT
(U45
SPR_I/O_1
PCF8574
SPR_I/O_2
C16
.1uF
Title
Keyboard/Display Interface
Size Number
B 03976
Date: 15-Mar-2002
File: N:\PCBMGR\RELEASED\03975yh\Protel\03975b.ddb
5
6
10
MAINT_LED_V+
9
8
7 D
6
Layout Instructions:
1. Minimum trace width 8 mil would like to have 10
mil traces if possible.
2. Please run traces on both and backside but where
possible fill one side with GND.
3. Minimum width for +5_DISP, DISP_PWR,
C
DISP_RET is 40 mil, except to test points.
4. Minimum width for VCC, GND, Vdd, Vss is 30
mil, except to test points
1
3
5
7
DISP_WR
9
DISP_BUSY
11
13
15
DISP_PWR
DISP_RET
B
Q1
+5_DISP
1 6
D
2 5
3 4
G S
SI3443DV
JP5
DISP_PWR_OVR
1
2
MMBT3904
Q2
R20
1K
A
Revision
B
Sheet of
Drawn By:
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