Specifications

P1.0 P1.1 P1.3 INT0 P1.2
User Output #7
13
User Output #1
9,10,11,12,14
User Output #6 User Output #5 User Output #8
1 4
+12V
6 5
User Output #3 User Output #2
7
Ground User Output #4
8 3 2
J2
Serial Data Playback Audio DVR Busy
5
+12V In Ground
1 6 7
P3.4
14
Serial Clock
INT1
J1
Record Audio
12
DVR Busy
2
P1.4 P1.1 P1.3 P3.5 P3.6
DVR Busy
10
P1.5
11
P1.7
9
P3.7
J3
P1.6
9000-021
B
DR-1000 Digital Voice Recorder
B
1 1Monday, December 08, 2003
Ft. Lauderdale, Florida Computer Automation Technology, Inc. Title Size Doc ument Number Rev Date: Sheet of
+12V
+5V
+12V+5V
+5V
+3.3V
+5V
+5V
+5V
3.3V
U3B
MC4053
1 2
15
R14
100K
Y1 12 MHz
1 2
R8
100K
C4 0.1uf
R1
10K
R12 330
+ C9
10uf
U10 M95040-BN6
1 2
3
5 6
7
CS SO
WP
SI SCK
HOLD
U7A MC4053
13 12
14
R9
10K
C5
0.1uf
R7 10K
U4
ISD4003
25 28
1
24
13 14 27 18
17
16 26 11 12 23 4
3 2
INT SCLK SS RAC
Audio Out
AM CAP
VCCD
VCCA
ANA IN+
ANA IN-
XCLK
VSSA VSSA VSSA
VSSD
MISO MOSI
+ -
U2B TLC2272
5 6
7
R10
10K
C1
.1uf
U5 LT1121CZ-3.3
1 3
2
OUT IN
GND
+ -
U2A
TLC2272
3 2
1
R13
3.9K
U6
74HC540
2 3 4 5 6 7 8 9 1
19
18 17 16 15 14 13 12 11
A1 A2 A3 A4 A5 A6 A7 A8 G1 G2
Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8
R11
100K
C12 0.22uf
1
2
U3C
MC4053
3 5
4
C14 0.22uf
C10
.1uf
Q2 2N3904
C11 .1uf
C16 1.0uf
Q1 2N3906
C6
.001uf
R5
82K
R6 10K
U1 LM340T-5.0
13
2
INOUT
GND
SW1
Format
R4
33K
R16 100K C15
0.1uf
R2
10K
C7 0.1uf
R3 10K
+ C8
10uf
C13
.001uf U7
ULN2803
1 2 3 4 5 6 7 8
18 17 16 15 14 13 12 11 9
I1 I2 I3 I4 I5 I6 I7 I8
01 02 03 04 05 06 07 08
Gnd
+ C3
10uf
C2 .1uf
U9
MCP101-485
2
3
1
Vdd
Gnd
RST
U8
P89C52U
10 20 21 35
2 3 4 5 6 7 8 9 24 25 26 27 28 29 30 31
11 13 14 15 16 17 18 19
43 42 41 40 39 38 37 36 33 32
RST XTAL2 XTAL1 EA/VPP
P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7
P2.0 (A8) P2.1 (A9)
P2.2 (A10) P2.3 (A11) P2.4 (A12) P2.5 (A13) P2.6 (A14) P2.7 (A15)
P3.0 (RXD) P3.1 (TXD) P3.2 (INT0) P3.3 (INT1) P3.4 (T0) P3.5 (T1) P3.6 (WR) P3.7 (RD)
P0.0 (AD0) P0.1 (AD1) P0.2 (AD2) P0.3 (AD3) P0.4 (AD4) P0.5 (AD5) P0.6 (AD6) P0.7 (AD7)
ALE
PSEN
Ref
Ref
Ref
Ref