ATMEGA64M1-AU Atmel, ATMEGA64M1-AU Datasheet - Page 15
ATMEGA64M1-AU
Manufacturer Part Number
ATMEGA64M1-AU
Description
IC MCU AVR 64K FLASH 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA64M1-AU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
CAN, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP, 32-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of I /o
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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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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