ATMEGA64-16AUR Atmel, ATMEGA64-16AUR Datasheet - Page 330

• Manufacturer Part Number: ATMEGA64-16AUR
• Description: MCU AVR 64KB FLASH 16MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64-16AUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• 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): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SPI Timing
Characteristics
2490Q–AVR–06/10
See
Table 134. SPI Timing Parameters
Note:
Figure 157. SPI Interface Timing Requirements (Master Mode)
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
Figure 157 on page 330
(Data Output)
(Data Input)
(CPOL = 0)
(CPOL = 1)
Description
1. In SPI Programming mode the minimum SCK high/low period is:
SS high to tri-state
SCK to out high
SCK to SS high
- 2 t
- 3 t
SCK high/low
MISO
MOSI
SS low to SCK
SCK high/low
Rise/Fall time
Rise/Fall time
SCK
SCK
SS low to out
SCK period
Out to SCK
SCK period
SCK to out
SCK to out
SS
CLCL
CLCL
Setup
Setup
Hold
Hold
for f
for f
CK
CK
(1)
<12 MHz
>12 MHz
6
4
MSB
and
5
MSB
Master
Master
Master
Master
Master
Master
Master
Master
Figure 158 on page 331
Mode
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
7
4 • t
2 • t
Min
10
20
20
t
ck
...
ck
ck
...
50% duty cycle
See
for details.
0.5 • t
Table 72
Typ
3.6
10
10
10
10
15
15
10
2
sck
LSB
1
ATmega64(L)
LSB
2
Max
1.6
3
8
ns
µs
ns
330