ATMEGA645-16AI Atmel, ATMEGA645-16AI Datasheet - Page 77
![IC AVR MCU FLASH 64K 5V 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA645-16AI
Manufacturer Part Number
ATMEGA645-16AI
Description
IC AVR MCU FLASH 64K 5V 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA325-16MU.pdf
(362 pages)
Specifications of ATMEGA645-16AI
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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13.3.6
2570M–AVR–04/11
Alternate Functions of Port H
Table 13-15. Overriding Signals for Alternate Functions in PG4 and PG3
Port H is only present in ATmega3250/6450. The alternate pin configuration is as follows:
Table 13-16. Port H Pins Alternate Functions
The alternate pin configuration is as follows:
• PCINT23 – Port H, Bit 7
PCINT23, Pin Change Interrupt Source 23: The PH7 pin can serve as an external interrupt
source.
• PCINT22 – Port H, Bit 6
PCINT22, Pin Change Interrupt Source 22: The PH6 pin can serve as an external interrupt
source.
• PCINT21 – Port H, Bit 5
PCINT21, Pin Change Interrupt Source 21: The PH5 pin can serve as an external interrupt
source.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PH7
PH6
PH5
PH4
PH3
PH2
PH1
PH0
Alternate Function
PCINT23 (Pin Change Interrupt23)
PCINT22 (Pin Change Interrupt22)
PCINT21 (Pin Change Interrupt21)
PCINT20 (Pin Change Interrupt20)
PCINT19 (Pin Change Interrupt19)
PCINT18 (Pin Change Interrupt18)
PCINT17 (Pin Change Interrupt17)
PCINT16 (Pin Change Interrupt16)
PG4/T0
0
0
0
0
0
0
–
0
0
T0 INPUT
-
ATmega325/3250/645/6450
PG3/T1
0
0
0
0
0
–
0
0
T1 INPUT
-
0
77
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