ATMEGA16-16PU Atmel, ATMEGA16-16PU Datasheet - Page 295

• Manufacturer Part Number: ATMEGA16-16PU
• Description: IC AVR MCU 16K 16MHZ 5V 40DIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA16-16PU

• 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: 32
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K 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: 40-DIP (0.600", 15.24mm)
• Package: 40PDIP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 16 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 32
• Interface Type: TWI/SPI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Processor Series: ATMEGA16x
• Core: AVR8
• Data Ram Size: 1 KB
• Maximum Clock Frequency: 16 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• A/d Inputs: 8-Channel, 10-Bit
• Cpu Speed: 16 MIPS
• Eeprom Memory: 512 Bytes
• Input Output: 32
• Interface: JTAG/SPI/UART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 44-pin PDIP
• Programmable Memory: 16K Bytes
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 4.5-5.5 V
• Controller Family/series: AVR MEGA
• No. Of I/o's: 32
• Eeprom Memory Size: 512Byte
• Ram Memory Size: 1KB
• Rohs Compliant: Yes
• For Use With: ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SPI Timing
Characteristics
2466J–AVR–10/04
Figure 145. Two-wire Serial Bus Timing
See Figure 146 and Figure 147 for details.
Table 121. SPI Timing Parameters
SCL
SDA
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
t
SU;STA
5. This requirement applies to all ATmega16 Two-wire Serial Interface operation. Other
6. The actual low period generated by the ATmega16 Two-wire Serial Interface is (1/f
7. The actual low period generated by the ATmega16 Two-wire Serial Interface is (1/f
SS high to tri-state
devices connected to the Two-wire Serial Bus need only obey the general f
requirement.
- 2/f
met at f
- 2/f
f
speed (400 kHz) with other ATmega16 devices, as well as any other device with a
proper t
SCK to out high
SCK to SS high
SS low to SCK
CK
SCK high/low
Rise/Fall time
SCK high/low
Rise/Fall time
SS low to out
Description
SCK period
SCK period
Out to SCK
SCK to out
SCK to out
= 8 MHz. Still, ATmega16 devices connected to the bus may communicate at full
CK
CK
Setup
Setup
Hold
Hold
), thus f
), thus the low time requirement will not be strictly met for f
SCL
LOW
= 100 kHz.
acceptance margin.
t
HD;STA
CK
t
t
of
LOW
must be greater than 6 MHz for the low time requirement to be strictly
Master
Master
Master
Master
Master
Master
Master
Master
Mode
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
t
HIGH
t
HD;DAT
t
4 • t
2 • t
2 • t
LOW
Min
10
10
20
ck
ck
ck
t
SU;DAT
50% duty cycle
See Table 58
0.5 • t
Typ
3.6
10
10
10
10
15
15
10
ATmega16(L)
SCK
SCL
t
SU;STO
> 308 kHz when
t
r
Max
1.6
t
ns
µs
ns
BUF
295
SCL
SCL
SCL