ATmega32M1 Atmel Corporation, ATmega32M1 Datasheet - Page 80
ATmega32M1
Manufacturer Part Number
ATmega32M1
Description
Manufacturer
Atmel Corporation
Specifications of ATmega32M1
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 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
2
Output Compare Channels
14
Input Capture Channels
1
Pwm Channels
10
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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ATmega16M1/32M1/64M1
• PCINT18/PSCIN2/OC1A/MISO_A, Bit 2
PCSIN2, PSC Digital Input 2.
OC1A, Output Compare Match A output: This pin can serve as an external output for the
Timer/Counter1 Output Compare A. The pin has to be configured as an output (DDD2 set “one”)
to serve this function. The OC1A pin is also the output pin for the PWM mode timer function.
MISO_A: Master Data input, Slave Data output pin for SPI channel. When the SPI is enabled as
a master, this pin is configured as an input regardless of the setting of DDD2. When the SPI is
enabled as a slave, the data direction of this pin is controlled by DDD2. When the pin is forced to
be an input, the pull-up can still be controlled by the PORTD2 bit.
PCINT18, Pin Change Interrupt 18.
• PCINT17/PSCIN0/CLKO – Bit 1
PCSIN0, PSC Digital Input 0.
CLKO, Divided System Clock: The divided system clock can be output on this pin. The divided
system clock will be output if the CKOUT Fuse is programmed, regardless of the PORTD1 and
DDD1 settings. It will also be output during reset.
PCINT17, Pin Change Interrupt 17.
• PCINT16/PSCOUT0A – Bit 0
PSCOUT0A: Output 0 of PSC 0.
PCINT16, Pin Change Interrupt 16.
Table 13-10
ing signals shown in
Table 13-10. Overriding Signals for Alternate Functions PD7..PD4
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
and
Table 13-11 on page 81
PD7/
ACMP0/
PCINT23
0
0
0
0
0
0
ACMP0D
0
–
ACOMP0
Figure 13-5 on page
PD6/ADC3/
ACMPN2/INT0/
PCINT22
0
0
0
0
0
0
ADC3D + In0en
In0en
INT0
ADC3
ACMPM
relates the alternate functions of Port D to the overrid-
69.
PD5/ADC2/
ACMP2/PCINT21
0
0
0
0
0
0
ADC2D
0
ADC2
ACOMP2
PD4/ADC1/RXD/
RXLIN/ICP1A/
SCK_A/PCINT20
RXEN + SPE •
MSTR • SPIPS
PD4 •
PUD
RXEN + SPE •
MSTR • SPIPS
0
SPE • MSTR •
SPIPS
–
ADC1D
0
ICP1A
ADC1
8209D–AVR–11/10
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