User manual

Page 47
Document No. 80-15151 Issue 6 HEBER LTD
Figure 10 - Schematic Sheet 10 - Reset/Battery/RS232
GND
PP1 9
PP
BATTERY BACK-UP
VCC
Q2
FMMT717
SM
C12
100n
BT1
2.4V NiMH
P1
HDR 6W A MP MTA - 10 0
1
2
3
4
5
6
DATAPOR T
TP14
PA D
RXDB2
POWER-ON RESET
GND
TXDA2, 9
PO RT A [ 0 . . 7 ]
SCL
GND
PO RTA 5
Q1
2N7002
VCC
GND
RESET-
VREF8
VCC
R43
3K3
R114
3K3
R42
3K3
TP15
PA D
VBATT
SDA
U17
TL7705
84
7
2
3
5
6
1
VCCGND
SENSE
RESIN
CT
RESET
RESET
REF
GND
+12V
R41
3K3
P2
25W D S OCKET
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
16
3
15
2
14
1
TXDB2
GND
TP16
PA D
56-15084
11r2
PLUTO 5 - RESET/ B ATTE RY/ RS232
HEBER LTD.
Belvedere Mill
Chalfor d, Stroud, GL6 8NT
Tel: [phone]
Fax: [phone]
A3
10 13Tuesday , August 12, 2003
Title
Size Document Number Rev
Date: Sheet
of
GND
EEPROM
C52
22p
R115
3K3
-12 V
V BATT
R132
3K3
RTSB-2
CTSA -2,9
(PORT A)
VCC
© HEBER LTD, 1996-2002
U40
PCF8583
1
2
3
4
8
7
6
5
OSCI
OSCO
A0
GND
VDD
INT
SCL
SDA
RESET3
PB0 2
+12V
RESET
RTSA -2
INTERNA L I2C BUS
R160
120R
R161
120R
VCC
U38
1489
147
1
4
10
13
3
6
8
11
VCCGND
RXA
RXB
RXC
RXD
A
B
C
D
PORTA[0..7] 2,5,8,9
GND
PO RTA 4
X2
32Khz
RESIN-
PP18
PP
GND
U37
24C04/24C08
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
TST
SCL
SDA
VCC
U33
1488
32
4
5
9
10
12
13
6
8
11
7
14 1
TXAA1
B1
B2
C1
C2
D1
D2
TXB
TXC
TXD
GND
V+
V-
RESET-
GND
VCC
VCC
C13
100n
+12V
C53
100n
RTC
-12V
GND
RXDA2,9
RS232
C11
1/50
RA M_ CS- 4
CTSB-2
VCC
GND
C14
220/16
(PORT B)
GND
RESET-2,6,9
GND