ATmega169P Automotive Atmel Corporation, ATmega169P Automotive Datasheet - Page 89
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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
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- Download datasheet (4Mb)
13.9.6
13.9.7
7701E–AVR–02/11
TIMSK0 – Timer/Counter 0 Interrupt Mask Register
TIFR0 – Timer/Counter 0 Interrupt Flag Register
• Bits 7..3 – Res: Reserved Bits
These bits are reserved bits in the ATtiny24/44/84 and will always read as zero.
• Bit 2- OCIE0B: Timer/Counter 0 Output Compare Match B Interrupt Enable
When the OCIE0B bit is written to one, and the I-bit in the status register is set, the timer/coun-
ter 0 compare match B interrupt is enabled. The corresponding interrupt is executed if a
compare match in timer/counter occurs, i.e., when the OCF0B bit is set in the timer/counter 0
interrupt flag register (TIFR0).
• Bit 1– OCIE0A: Timer/Counter0 Output Compare Match A Interrupt Enable
When the OCIE0A bit is written to one, and the I-bit in the status register is set, the timer/coun-
ter 0 compare match A interrupt is enabled. The corresponding interrupt is executed if a
compare match in timer/counter 0 occurs, i.e., when the OCF0A bit is set in the timer/counter
0 interrupt flag register (TIFR0).
• Bit 0– TOIE0: Timer/Counter0 Overflow Interrupt Enable
When the TOIE0 bit is written to one, and the I-bit in the status register is set, the timer/counter
0 overflow interrupt is enabled. The corresponding interrupt is executed if an overflow in
timer/counter 0 occurs, i.e., when the TOV0 bit is set in the timer/counter 0 interrupt flag regis-
ter (TIFR0).
• Bits 7..3 – Res: Reserved Bits
These bits are reserved bits in the ATtiny24/44/84 and will always read as zero.
• Bit 2– OCF0B: Output Compare Flag 0 B
The OCF0B bit is set when a compare match occurs between the timer/counter 0 and the data
in OCR0B, the output compare register 0 B. OCF0B is cleared by hardware when executing
the corresponding interrupt handling vector. Alternatively, OCF0B is cleared by writing a logi-
cal one to the flag. When the I-bit in SREG, OCIE0B (timer/counter compare b match interrupt
enable), and OCF0B are set, the timer/counter compare match interrupt is executed.
• Bit 1– OCF0A: Output Compare Flag 0 A
The OCF0A bit is set when a compare match occurs between the timer/counter 0 and the data
in OCR0A, the output compare register 0 A. OCF0A is cleared by hardware when executing
the corresponding interrupt handling vector. Alternatively, OCF0A is cleared by writing a logi-
cal one to the flag. When the I-bit in SREG, OCIE0A (timer/counter 0 compare match interrupt
enable), and OCF0A are set, the timer/counter 0 compare match interrupt is executed.
Bit
0x39 (0x59)
Read/Write
Initial Value
Bit
0x38 (0x58)
Read/Write
Initial Value
R
R
7
–
0
7
–
0
R
6
–
0
R
6
–
0
Atmel ATtiny24/44/84 [Preliminary]
R
5
–
0
R
5
–
0
R
4
–
0
R
4
–
0
R
3
–
0
R
3
–
0
OCIE0B
OCF0B
R/W
R/W
2
0
2
0
OCIE0A
OCF0A
R/W
R/W
1
0
1
0
TOIE0
TOV0
R/W
R/W
0
0
0
0
TIMSK0
TIFR0
89
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