ATmega16M1 Atmel Corporation, ATmega16M1 Datasheet - Page 15
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ATmega16M1
Manufacturer Part Number
ATmega16M1
Description
Manufacturer
Atmel Corporation
Specifications of ATmega16M1
Flash (kbytes)
16 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)
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
2
Output Compare Channels
14
Input Capture Channels
1
Pwm Channels
10
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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6.5.1
6.6
8209D–AVR–11/10
Instruction Execution Timing
SPH and SPL – Stack Pointer High and Stack Pointer Low Register
This section describes the general access timing concepts for instruction execution. The AVR
CPU is driven by the CPU clock clk
chip. No internal clock division is used.
Figure 6-4
vard architecture and the fast-access Register File concept. This is the basic pipelining concept
to obtain up to 1 MIPS per MHz with the corresponding unique results for functions per cost,
functions per clocks, and functions per power-unit.
Figure 6-4.
Figure 6-5
operation using two register operands is executed, and the result is stored back to the destina-
tion register.
Figure 6-5.
Bit
Read/Write
Initial Value
Register Operands Fetch
2nd Instruction Execute
3rd Instruction Execute
1st Instruction Execute
ALU Operation Execute
2nd Instruction Fetch
shows the internal timing concept for the Register File. In a single clock cycle an ALU
shows the parallel instruction fetches and instruction executions enabled by the Har-
3rd Instruction Fetch
4th Instruction Fetch
1st Instruction Fetch
Total Execution Time
15
SP15
SP7
7
R/W
R/W
0
0
Result Write Back
The Parallel Instruction Fetches and Instruction Executions
Single Cycle ALU Operation
14
SP14
SP6
6
R/W
R/W
0
0
clk
clk
CPU
CPU
13
SP13
SP5
5
R/W
R/W
0
0
CPU
12
SP12
SP4
4
R/W
R/W
0
0
, directly generated from the selected clock source for the
T1
T1
11
SP11
SP3
3
R/W
R/W
0
0
ATmega16M1/32M1/64M1
10
SP10
SP2
2
R/W
R/W
0
0
T2
T2
9
SP9
SP1
1
R/W
R/W
0
0
8
SP8
SP0
0
R/W
R/W
0
0
T3
T3
SPH
SPL
T4
T4
15
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