ATMEGA168-15AZ Atmel, ATMEGA168-15AZ Datasheet - Page 305

• Manufacturer Part Number: ATMEGA168-15AZ
• Description: MCU AVR 16K FLASH 15MHZ 32-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA168-15AZ

• Package / Case: 32-TQFP, 32-VQFP
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 23
• Eeprom Size: 512 x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Program Memory Size: 16KB (16K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: I²C, SPI, UART/USART
• Core Size: 8-Bit
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 16MHz
• Interface Type: 2-Wire/USART/Serial
• Total Internal Ram Size: 1KB
• # I/os (max): 23
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 32
• Package Type: TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

27.1
7530I–AVR–02/10
SPI Timing Characteristics
See
Table 27-2.
Note:
Figure 27-2. 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 27-2
(Data Output)
(Data Input)
(CPOL = 0)
(CPOL = 1)
1. In SPI Programming mode the minimum SCK high/low period is:
- 2 t
- 3 t
MISO
MOSI
SS high to tri-state
SCK
SCK
SCK to out high
SCK to SS high
SCK high/low
SS low to SCK
SS
Rise/Fall time
Rise/Fall time
SCK high/low
SS low to out
SPI Timing Parameters
Description
CLCL
CLCL
SCK period
SCK period
Out to SCK
SCK to out
SCK to out
and
Setup
Setup
Hold
Hold
for f
for f
Figure 27-3
CK
CK
< 12 MHz
> 12 MHz
6
4
(1)
MSB
5
MSB
for details.
Master
Master
Master
Master
Master
Master
Master
Master
Mode
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
ATmega48/88/168 Automotive
7
...
4 • t
2 • t
...
Min
10
t
20
20
ck
ck
ck
See
50% duty cycle
2
0.5 • t
Table 16-4
1600
Typ
3.6
10
10
10
10
15
15
10
LSB
1
sck
LSB
2
3
Max
8
ns
305