ATmega16A Atmel Corporation, ATmega16A Datasheet - Page 299

• Manufacturer Part Number: ATmega16A
• Manufacturer: Atmel Corporation

Specifications of ATmega16A

• Flash (kbytes): 16 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 32
• Ext Interrupts: 3
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• 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: 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: 3
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

8154B–AVR–07/09
.
Table 27-5.
Figure 27-6. SPI Interface Timing Requirements (Master Mode)
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
(Data Output)
(Data Input)
(CPOL = 0)
(CPOL = 1)
SS high to tri-state
MISO
MOSI
SCK
SCK
SCK to out high
SCK to SS high
SS low to SCK
SCK high/low
Rise/Fall time
SCK high/low
Rise/Fall time
SS
SS low to out
SPI Timing Parameters
Description
SCK period
Out to SCK
SCK period
SCK to out
SCK to out
Setup
Setup
Hold
Hold
6
4
MSB
5
MSB
Master
Master
Master
Master
Master
Master
Master
Master
Mode
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
7
...
4 • t
2 • t
2 • t
...
Min
10
10
20
SCK
SCK
SCK
See
50% duty cycle
2
0.5 • t
Table 18-5
Typ
3.6
LSB
10
10
10
10
15
15
10
1
SCK
LSB
ATmega16A
2
3
8
Max
1.6
ns
µs
ns
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