ATmega169P Automotive Atmel Corporation, ATmega169P Automotive Datasheet - Page 88
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
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12.4
12.4.1
12.4.2
12.4.3
12.4.4
12.4.5
12.4.6
12.4.7
88
Register Description for I/O-Ports
ATmega169P Automotive
MCUCR – MCU Control Register
PORTA – Port A Data Register
DDRA – Port A Data Direction Register
PINA – Port A Input Pins Address
PORTB – Port B Data Register
DDRB – Port B Data Direction Register
PINB – Port B Input Pins Address
• Bit 4 – PUD: Pull-up Disable
When this bit is written to one, the pull-ups in the I/O ports are disabled even if the DDxn and
PORTxn Registers are configured to enable the pull-ups ({DDxn, PORTxn} = 0b01). See
figuring the Pin” on page 66
Bit
0x35 (0x55)
Read/Write
Initial Value
Bit
0x02 (0x22)
Read/Write
Initial Value
Bit
0x01 (0x21)
Read/Write
Initial Value
Bit
0x00 (0x20)
Read/Write
Initial Value
Bit
0x05 (0x25)
Read/Write
Initial Value
Bit
0x04 (0x24)
Read/Write
Initial Value
Bit
0x03 (0x23)
Read/Write
Initial Value
PORTA7
PORTB7
PINA7
PINB7
DDA7
DDB7
JTD
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
7
0
7
0
7
0
7
7
0
7
0
7
PORTB6
PORTA6
PINA6
PINB6
DDA6
DDB6
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
6
0
6
0
6
0
6
6
0
6
0
6
-
for more details about this feature.
PORTA5
PORTB5
PINA5
PINB5
DDA5
DDB5
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
5
0
5
0
5
5
0
5
0
5
R
5
0
-
PORTA4
PORTB4
PINA4
PINB4
DDA4
DDB4
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
4
0
4
0
4
4
0
4
0
4
PUD
R/W
4
0
PORTB3
PORTA3
PINA3
PINB3
DDA3
DDB3
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
3
0
3
0
3
3
0
3
0
3
R
3
–
0
PORTA2
PORTB2
PINA2
PINB2
DDA2
DDB2
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
2
0
2
0
2
2
0
2
0
2
R
2
–
0
PORTB1
PORTA1
PINA1
PINB1
DDA1
DDB1
IVSEL
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R/W
1
0
1
0
1
1
0
1
0
1
1
0
PORTA0
PORTB0
PINA0
PINB0
DDA0
DDB0
IVCE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
0
0
0
0
0
0
0
0
0
0
0
0
7735B–AVR–12/07
MCUCR
PORTA
PORTB
DDRA
DDRB
PINA
PINB
”Con-
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