ATTINY48-PU Atmel, ATTINY48-PU Datasheet - Page 196

• Manufacturer Part Number: ATTINY48-PU
• Description: MCU AVR 4K ISP FLASH 1.8V 28-DIP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY48-PU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 24
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: 2-Wire/I2S/SPI
• Maximum Clock Frequency: 12 MHz
• Number Of Programmable I/os: 28
• Number Of Timers: 2
• 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
• On-chip Adc: 6-ch x 10-bit
• Package: 28PDIP
• Device Core: AVR
• Family Name: ATtiny
• Maximum Speed: 12 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

21.2.5
196
ATtiny48/88
Programming the EEPROM
Flash page addressing is illustrated in
21-1 on page 191
Figure 21-2. Addressing the Flash Which is Organized in Pages
Flash programming waveforms are illustrated in
letters refer to the programming steps described earlier.
Figure 21-3. Programming the Flash Waveforms
The EEPROM is organized in pages, see
EEPROM, the program data is latched into a page buffer. This allows one page of data to be
RESET +12V
RDY/BSY
PAGEL
DATA
CLKI
XA1
XA0
BS1
BS2
WR
OE
PROGRAM MEMORY
PROGRAM
COUNTER
PAGE
0x10
A
.
PAGE ADDRESS
WITHIN THE FLASH
ADDR. LOW
B
PCMSB
DATA LOW
C
PCPAGE
DATA HIGH
D
XX
E
Figure
PAGEMSB
ADDR. LOW
PCWORD
B
Table 21-2 on page
21-2, below. Symbols used are described in
WORD ADDRESS
WITHIN A PAGE
Figure
DATA LOW
C
F
DATA HIGH
INSTRUCTION WORD
21-3, where XX means “don’t care” and
D
PAGE
XX
E
191. When programming the
ADDR. HIGH
G
H
PCWORD[PAGEMSB:0]:
XX
00
01
02
PAGEEND
8008G–AVR–04/11
Table