HBCR-1610 Datasheet, PDF (5/10 Pages) Agilent(Hewlett-Packard) – Single Chip Bar Code Decode IC

Table 6. Summary of Commands – HBCR-1610 Series
Feature
Scanner Enable
Hard Reset
Self Test Failure
Message
Status Request
Sound Tone
Description
When enabled, scans from a wand or a slot reader are decoded; otherwise, they
are ignored.
Resets the IC as though it were just powered up.
An error message is transmitted over the serial port at 9600 baud at power up if the
IC self test fails.
Returns the version number of the software.
Causes the IC to sound a tone of the selected pitch for 120 milliseconds.
Stand Alone Decoder
(Serial Mode)
+5 V
8 x 10 KΩ
+5 V
150 Ω
2N5088
47 KΩ +5 V
10 KΩ
SDI
C39
I25
UPC
CDB
C28
U2S
U5S
CSS
BR0
BR1
STB
EX3
C3C
I2C
CST
GRB
ICD
UEE
UE1
FRQ
PT0
PT1
TR0
TR1
LED
V_CC
EA
IOM
RST
BPR
TxD
RxD
RTS
CTS
SDI
XTAL 1
XTAL 2 GND
HBCR-161X
+5 V
10 µF
+5 V
500 Ω
1N4148
10 Ω
10 KΩ
2N2907
0.047 µF
10
mH
+5 V
1N4148
PIEZO
BEEPER
NOTES:
1. USE THE CORRECT CAPACITOR FOR
EITHER A CRYSTAL OR A CERAMIC
RESONATOR. SEE USERS MANUAL, PAGE 2-16.
2. SEE THE PIN DIAGRAMS FOR THE PINOUT
OF THE DECODE IC. PIN NUMBERS VARY
WITH PACKAGE.
3. VOLUME OF THE BEEPER CIRCUIT IS
ADJUSTABLE BY VARYING THE VALUE
OF THE 500 Ω POT.
4. THE EIGHT PULL UP RESISTORS SHOWN
IN THE SCHEMATIC ARE ONLY NEEDED
IF A DIP SWITCH IS USED. IF THE PINS
ARE STRAPPED DIRECTLY TO GROUND
OR V_CC, THE RESISTORS ARE NOT NEEDED.
5. THE LOGIC LEVELS OF THE SDI SCANNER
INPUT IS AS FOLLOWS: BLACK = HIGH,
WHITE = LOW.
C1
10
9
11
12
1
T2_IN T2_OUT
R2_OUT R2_IN
T1_IN T1_OUT
R1_OUT R1_IN
C1+
V+
7
8
14
13
C3
2
TxD
RxD
RTS
CTS
+5 V MAX232
0 V LT1081 or
3 _C1-
4 _C2+
V_CC
V-
16
6
+5 V
LT1181
C2
5 _C2-
C4
GND ¹⁵
SERIAL LEVEL
CONVERTER
4-41