ATTINY48-MMHR Atmel, ATTINY48-MMHR Datasheet - Page 191

• 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. External Programming
21.1
21.2
8008G–AVR–04/11
Memory Parametrics
Parallel Programming
This section describes how to program and verify Flash memory, EEPROM, lock bits, and fuse
bits in ATtiny48/88.
Flash memory parametrics are summarised in
Table 21-1.
EEPROM parametrics are summarised in
Table 21-2.
Parallel programming signals and connections are illustrated in
Figure 21-1. Parallel Programming Signals
Device
ATtiny48
ATtiny88
Device
ATtiny48
ATtiny88
Flash Parametrics
EEPROM Parametrics
Flash Size
(4K bytes)
(8K bytes)
EEPROM
2K words
4K words
64 bytes
64 bytes
Size
RDY/BSY
PAGEL
+12 V
BS2
BS1
XA0
XA1
WR
OE
Page Size
32 words
32 words
4 bytes
4 bytes
Page
Size
PD1
PD2
PD3
PD4
PD5
PD6
PD7
RESET
CLKI
GND
PC2
Table
PCWORD
PCWORD
EEA[1:0]
EEA[1:0]
PC[4:0]
PC[4:0]
Table
PC[1:0]:PB[5:0]
21-2, below.
21-1, below.
AVCC
VCC
Pages
Pages
No. of
No. of
128
+4.5 - 5.5V
+4.5 - 5.5V
16
16
64
Figure
DATA
21-1, below.
PCPAGE
PCPAGE
ATtiny48/88
PC[10:5]
PC[11:5]
EEA[5:2]
EEA[5:2]
EEAMSB
PCMSB
10
11
5
5
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