ATTINY48-MMHR Atmel, ATTINY48-MMHR Datasheet - Page 196

• Manufacturer Part Number: ATTINY48-MMHR
• Description: MCU AVR 4KB FLASH 12MHZ 28QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY48-MMHR

• 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 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• 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