ATTINY167-15MZ Atmel, ATTINY167-15MZ Datasheet - Page 188
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ATTINY167-15MZ
Manufacturer Part Number
ATTINY167-15MZ
Description
MCU AVR 16K FLASH 15MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY167-15MD.pdf
(283 pages)
Specifications of ATTINY167-15MZ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, LIN, SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
16
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY167-15MZ
Manufacturer:
ATMEL
Quantity:
670
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16. ISRC - Current Source
16.1
16.2
16.2.1
188
Features
Typical applications
ATtiny87/ATtiny167
LIN Current Source
•
•
The ATtiny87/167 features a 100µA ±10% Current Source. Up on request, the current is flow-
ing through an external resistor. The voltage can be measured on the dedicated pin shared
with the ADC. Using a resistor in serie with a 0.5% tolerance is recommended. To protect the
device against big values, the ADC must be configured with AVcc as internal reference to per-
form the first measurement. Afterwards, another internal reference can be chosen according
to the previous measured value to refine the result.
When ISRCEN bit is set, the ISRC pin sources 100µA. Otherwise this pin keeps its initial
function.
Figure 16-1. Current Source Block Diagram
During the configuration of a LIN node in a cluster, it may be necessary to attribute dynami-
cally an unique physical address to every cluster node. The way to do it is not described in the
LIN protocol.
The Current Source offers an excellent solution to associate a physical address to the applica-
tion supported by the LIN node. A full dynamic node configuration can be used to set-up the
LIN nodes in a cluster.
ATtiny87/167 proposes to have an external resistor used in conjunction with the Current
Source. The device measures the voltage to the boundaries of the resistance via the Analog to
Digital converter. The resulting voltage defines the physical address that the communication
handler will use when the node will participate in LIN communication.
100µA Constant current source
±10% Absolute Accuracy
ADC Input
100 uA
AVCC
ISRCEN
ADCn/ ISRC
Resistor
External
7728G–AVR–06/10
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