ATmega169P Automotive Atmel Corporation, ATmega169P Automotive Datasheet - Page 265
ATmega169P Automotive
Manufacturer Part Number
ATmega169P Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATMEGA169P_AUTOMOTIVE.pdf
(373 pages)
3.ATMEGA169P_AUTOMOTIVE.pdf
(14 pages)
Specifications of ATmega169P Automotive
Flash (kbytes)
16 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
17
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
100
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
1
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
- AT90CAN128_AUTOMOTIVE PDF datasheet
- ATMEGA169P_AUTOMOTIVE PDF datasheet #2
- ATMEGA169P_AUTOMOTIVE PDF datasheet #3
- Current page: 265 of 373
- Download datasheet (5Mb)
24.5.5
7735B–AVR–12/07
Scanning the ADC
Figure 24-9
Boundary-scan cell from
used for pure connectivity testing, since all analog inputs are shared with a digital port pin as
well.
Figure 24-9. Analog to Digital Converter
The signals are described briefly in
NEGSEL_2
NEGSEL_1
NEGSEL_0
MUXEN_7
MUXEN_6
MUXEN_5
MUXEN_4
MUXEN_3
MUXEN_2
MUXEN_1
MUXEN_0
EXTCH
ADC_7
ADC_6
ADC_5
ADC_4
ADC_3
ADC_2
ADC_1
ADC_0
ADC_2
ADC_0
shows a block diagram of the ADC with all relevant control and observe signals. The
ADC_1
SCTEST
AMPEN
ACLK
ST
Figure 24-5
To Comparator
+
-
1x
Table
ADCBGEN
is attached to each of these signals. The ADC need not be
VCCREN
IREFEN
AREF
24-3.
PASSEN
ACTEN
1.22V
ATmega169P Automotive
GNDEN
ref
1.11V
ref
PRECH
DAC_9..0
ADCEN
HOLD
PRECH
AREF
10-bit DAC
AREF
+
-
DACOUT
COMP
COMP
265
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