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PDF HMC6352 Data sheet ( Hoja de datos )
| Número de pieza | HMC6352 | |
| Descripción | Digital Compass Solution | |
| Fabricantes | Honeywell | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HMC6352 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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Digital Compass Solution
HMC6352
The Honeywell HMC6352 is a fully integrated compass
module that combines 2-axis magneto-resistive sensors
with the required analog and digital support circuits, and
algorithms for heading computation. By combining the
sensor elements, processing electronics, and firmware in
to a 6.5mm by 6.5mm by 1.5mm LCC package,
www.DataHShoeneet4yUw.ceolml offers a complete, ready to use electronic
compass. This provides design engineers with the
simplest solution to integrate high volume, cost effective
compasses into wireless phones, consumer electronics,
vehicle compassing, and antenna positioning.
Honeywell continues to maintain product excellence and
performance by introducing innovative solid-state
magnetic sensor solutions. These are highly reliable, top
performance products that are delivered when promised.
Honeywell’s magnetic sensor products provide real
solutions you can count on.
FEATURES
4 Compass with Heading Output
4 Full Integration of 2-Axis Magnetic
Sensors and Electronics
4 Firmware Included
4 Small Surface Mount Package
(6.5 x 6.5 x 1.5mm, 24-pin LCC)
4 Low Voltage Operation (2.7 to 5.2V)
4 I2C 2-Wire Serial Interface
4 Lead Free Package Construction
4 Wide Magnetic Field Range (± 2 Oe)
4 Set/Reset Strap Drive
4 RoHS Compliant
BENEFITS
4 A Complete Compass. Everything is Done.
4 A Complete Digital Solution with Heading Output to Avoid Design of
Hardware and Compassing Firmware Routines.
4 Data Acquisition, Calibration, and Heading Computation Routines
Included for Quick-to-Market Designs.
4 Easy to Assemble & Compatible with High Speed SMT Assembly
4 Compatible for Battery Powered Applications
4 Works as a Slave to Customer’s Master Processor (100kHz).
4 Complies with Current Environmental Standards (RoHS)
4 Sensor Can Be Used in Strong Magnetic Field Environments
4 Stray Magnetic Field Protection and Temperature Compensation
4 Lead Free and No Banned Substances
1 page  
HMC6352
Table 1 – HMC6352 Interface Commands/Responses
Command
Byte
ASCII (hex)
w (77)
r (72)
G (47)
g (67)
S (53)
W (57)
O (4F)
www.DataSheeCt4U(4.c3o)m
E (45)
L (4C)
A (41)
Argument 1
Byte
(Binary)
EEPROM
Address
EEPROM
Address
RAM
Address
RAM
Address
Argument 2
Byte
(Binary)
Data
Response 1
Byte
(Binary)
Response 2
Byte
(Binary)
Description
Write to EEPROM
Data
Read from EEPROM
Data
Write to RAM Register
Data
MSB Data
LSB Data
Read from RAM Register
Enter Sleep Mode (Sleep)
Exit Sleep Mode (Wakeup)
Update Bridge Offsets (S/R Now)
Enter User Calibration Mode
Exit User Calibration Mode
Save Op Mode to EEPROM
Get Data. Compensate and
Calculate New Heading
Operational Controls
HMC6352 has two parameters; Operational Mode and Output Mode, which control its operation. The Operational Mode
control byte is located at RAM register byte 74(hex) and is shadowed in EEPROM location 08(hex). This byte can be used
to control the continuous measurement rate, set/reset function, and to command the HMC6352 into the three allowed
operating modes; Standby, Query, and Continuous.
The Output Mode control byte is located at RAM register byte 4E(hex) and is not shadowed in the EEPROM, and upon
power up the device is in the Heading output mode. This byte can be changed to get magnetometer data if necessary but
is typically left in a default heading data mode.
Non-Volatile Memory
The HMC6352 contains non-volatile memory capability in the form of EEPROM that retains key operational parameters
and settings for electronic compassing. Table 2 shows the balance of the EEPROM locations that the user can read and
write to. Details on the features of these location bytes will be discussed in the following paragraphs.
Table 2 – HMC6352 EEPROM Contents
EE Address (hex)
00
01
02
03
04
05
06
07
08
Byte Description
I2C Slave Address
Magnetometer X Offset MSB
Magnetometer X Offset LSB
Magnetometer Y Offset MSB
Magnetometer Y Offset LSB
Time Delay (0 – 255 ms)
Number of Summed measurements(1-16)
Software Version Number
Operation Mode Byte
Factory Default
42(hex)
factory test value
factory test value
factory test value
factory test value
01(hex)
04(hex)
> 01(hex)
50(hex)
Operational Modes
The HMC6352 has three operational modes plus the ability to enter/exit the non-operational (sleep) mode by command.
Sleep mode sends the internal microprocessor into clock shutdown to save power, and can be brought back by the “W”
command (wake). The “S” command returns the processor to sleep mode. The three operational modes are defined by
two bits in the internal HMC6352 Operation Mode register. If the master device sends the “L” command, the current
operational mode control byte in the RAM register is loaded into the internal EEPROM register and becomes the default
operational mode on the next power-up. The application environment of the HMC6352 will dictate the most suitable
operational mode.
www.honeywell.com
5
5 Page 
HMC6352
24
1
TOP VIEW
www.DataSheet4U.com
0.80
MECHANICAL DIMENSIONS
(In millimeters)
DA
5.00
6.90
0.38
Ee
E1
Dimension
D
D1
E
E1
e
A
Minimum
-
-
-
-
-
1.37
Nominal
6.50 BSC
4.00 BSC
6.50 BSC
4.00 BSC
0.8 Basic
1.52
Maximum
-
-
-
-
-
1.67
e
D1
SOLDERING GUIDELINES
Most LCC packages have no special requirements beyond normal procedures for attaching SMT components to printed
circuit boards. The exception to this process is the Honeywell HMC6352 that has a FR4 substrate package with epoxy top
encapsulation.
www.honeywell.com
11
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| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet HMC6352.PDF ] | |
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