ATmega64M1 Atmel Corporation, ATmega64M1 Datasheet - Page 312

• Manufacturer Part Number: ATmega64M1
• Manufacturer: Atmel Corporation

Specifications of ATmega64M1

• Flash (kbytes): 64 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): 4
• Eeprom (bytes): 2048
• 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

28.7
28.8
312
PLL Characteristics
SPI Timing Characteristics
ATmega16M1/32M1/64M1
Table 28-6.
.
Table 28-5.
Note:
See
Note:
Symbol
PLL
PLL
PLL
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
Figure 28-3 on page 313
IF
F
LT
While connected to external clock or external oscillator, PLL Input Frequency must be selected to
provide outputs with frequency in accordance with driven parts of the circuit (CPU core, PSC...)
In SPI Programming mode the minimum SCK high/low period is:
- 2 t
- 3 t
CLCL
CLCL
SS high to tri-state
SCK high/low
SCK to out high
SCK to SS high
SS low to SCK
SCK high/low
Rise/Fall time
Rise/Fall time
SS low to out
SPI Timing Parameters
PLL Characteristics - V
Description
SCK period
Out to SCK
SCK period
SCK to out
SCK to out
for f
for f
Setup
Setup
Parameter
Input Frequency
PLL Factor
Lock-in Time
Hold
Hold
CK
CK
<12MHz
>12MHz
(1)
and
Figure 28-4 on page 313
Master
Master
Master
Master
Master
Master
Master
Master
Mode
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
CC
= 2.7V to 5.5V (unless otherwise noted)
4 × t
2 × t
Min.
10
t
20
20
ck
ck
ck
Min.
for details.
See
0.5
50% duty cycle
Table 18-7 on
page 161
0.5 × t
Typ.
3.6
10
10
10
10
15
15
10
Typ.
sck
64
1
Max.
Max.
64
1600
2
8209D–AVR–11/10
Units
Units
ns
MHz
µS