ATmega32M1 Automotive Atmel Corporation, ATmega32M1 Automotive Datasheet - Page 85
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ATmega32M1 Automotive
Manufacturer Part Number
ATmega32M1 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATMEGA16M1_AUTOMOTIVE.pdf
(12 pages)
3.ATMEGA16M1_AUTOMOTIVE.pdf
(25 pages)
4.ATMEGA16M1_AUTOMOTIVE.pdf
(367 pages)
Specifications of ATmega32M1 Automotive
Flash (kbytes)
32 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
12
Hardware Qtouch Acquisition
No
Max I/o Pins
27
Ext Interrupts
27
Usb Speed
No
Usb Interface
No
Spi
1
Uart
1
Can
1
Lin
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
125
Analog Comparators
4
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 150
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
14
Input Capture Channels
1
Pwm Channels
10
32khz Rtc
No
Calibrated Rc Oscillator
Yes
- AT90CAN128_AUTOMOTIVE PDF datasheet
- ATMEGA16M1_AUTOMOTIVE PDF datasheet #2
- ATMEGA16M1_AUTOMOTIVE PDF datasheet #3
- ATMEGA16M1_AUTOMOTIVE PDF datasheet #4
- Current page: 85 of 367
- Download datasheet (7Mb)
10.2.4
10.2.5
7647G–AVR–09/11
Pin Change Interrupt Flag Register - PCIFR
Pin Change Mask Register 3 – PCMSK3
• Bit 7..4 - Res: Reserved Bits
These bits are unused bits in the ATmega16/32/64/M1/C1, and will always read as zero.
• Bit 3 - PCIF3: Pin Change Interrupt Flag 3
When a logic change on any PCINT26..24 pin triggers an interrupt request, PCIF3 becomes
set (one). If the I-bit in SREG and the PCIE3 bit in PCICR are set (one), the MCU will jump to
the corresponding Interrupt Vector. The flag is cleared when the interrupt routine is executed.
Alternatively, the flag can be cleared by writing a logical one to it.
• Bit 2 - PCIF2: Pin Change Interrupt Flag 2
When a logic change on any PCINT23..16 pin triggers an interrupt request, PCIF2 becomes
set (one). If the I-bit in SREG and the PCIE2 bit in PCICR are set (one), the MCU will jump to
the corresponding Interrupt Vector. The flag is cleared when the interrupt routine is executed.
Alternatively, the flag can be cleared by writing a logical one to it.
• Bit 1 - PCIF1: Pin Change Interrupt Flag 1
When a logic change on any PCINT15..8 pin triggers an interrupt request, PCIF1 becomes set
(one). If the I-bit in SREG and the PCIE1 bit in PCICR are set (one), the MCU will jump to the
corresponding Interrupt Vector. The flag is cleared when the interrupt routine is executed.
Alternatively, the flag can be cleared by writing a logical one to it.
• Bit 0 - PCIF0: Pin Change Interrupt Flag 0
When a logic change on any PCINT7..0 pin triggers an interrupt request, PCIF0 becomes set
(one). If the I-bit in SREG and the PCIE0 bit in PCICR are set (one), the MCU will jump to the
corresponding Interrupt Vector. The flag is cleared when the interrupt routine is executed.
Alternatively, the flag can be cleared by writing a logical one to it.
• Bit 7..3 – Res: Reserved Bit
These bits are unused bits in the ATmega16/32/64/M1/C1, and will always read as zero.
• Bit 2..0 – PCINT26..24: Pin Change Enable Mask 26..24
Each PCINT26..24-bit selects whether pin change interrupt is enabled on the corresponding
I/O pin. If PCINT26..24 is set and the PCIE3 bit in PCICR is set, pin change interrupt is
enabled on the corresponding I/O pin. If PCINT23..24 is cleared, pin change interrupt on the
corresponding I/O pin is disabled.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
R/W
7
0
-
R
7
–
0
R/W
6
0
-
R
6
–
0
R/W
5
0
-
R
5
–
0
Atmel ATmega16/32/64/M1/C1
R/W
4
0
-
R
4
–
0
R/W
PCIF3
3
0
-
R
3
0
PCINT26
PCIF2
R/W
R/W
2
0
2
0
PCINT25
PCIF1
R/W
R/W
1
0
1
0
PCINT24
PCIF0
R/W
R/W
0
0
0
0
PCMSK3
PCIFR
85
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