ATMEGA8HVA-4CKU Atmel, ATMEGA8HVA-4CKU Datasheet - Page 146
ATMEGA8HVA-4CKU
Manufacturer Part Number
ATMEGA8HVA-4CKU
Description
MCU AVR 8K FLASH 4MHZ 36-LGA
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16HVA-4CKU.pdf
(196 pages)
Specifications of ATMEGA8HVA-4CKU
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
7
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 9 V
Data Converters
A/D 5x12b
Oscillator Type
External
Operating Temperature
-20°C ~ 85°C
Package / Case
36-LGA
Processor Series
ATMEGA8x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI
Maximum Clock Frequency
4 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRSB200, ATAVRSB201
Minimum Operating Temperature
- 20 C
On-chip Adc
12 bit, 5 Channel
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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26.2.6
146
ATmega8HVA/16HVA
Programming Time for Flash when Using SPM
The Fast RC Oscillator is used to time Flash accesses.
ming time for Flash accesses from the CPU.
Table 26-2.
Note:
Table 26-3.
Table 26-4.
Flash write (Page Erase, Page Write, and
Variable
PCMSB
PAGEMSB
ZPCMSB
ZPAGEMSB
PCPAGE
PCWORD
Variable
PCMSB
1. Minimum and maximum programming times is per individual operation.
write Lock bits by SPM)
SPM Programming Time, f
Explanation of different variables used in
pointer, ATmega8HVA.
Explanation of different variables used in
pointer, ATmega16HVA.
Symbol
PC[11:6]
PC[5:0]
11
12
5
Corresponding
Corresponding
Z-value
Z-value
Z12:Z7
Z6:Z1
Z12
Z6
OSC
Min Programming Time
= 8.0 MHz
Description
Most significant bit in the Program Counter. (The
Program Counter is 12 bits PC[11:0])
Most significant bit which is used to address the
words within one page (64 words in a page requires
six bits PC [5:0]).
Bit in Z-register that is mapped to PCMSB. Because
Z0 is not used, the ZPCMSB equals PCMSB + 1.
Bit in Z-register that is mapped to PCMSB. Because
Z0 is not used, the ZPAGEMSB equals PAGEMSB +
1.
Program Counter page address: Page select, for
Page Erase and Page Write
Program Counter word address: Word select, for
filling temporary buffer (must be zero during Page
Write operation)
Description
Most significant bit in the Program Counter. (The
Program Counter is 13 bits PC[12:0])
3.7 ms
(1)
Figure 26-1
Figure 26-1
Table 26-2
and the mapping to the Z-
and the mapping to the Z-
shows the typical program-
Max Programming Time
4.5 ms
8024A–AVR–04/08
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