ATtiny48 Atmel Corporation, ATtiny48 Datasheet - Page 191

• Manufacturer Part Number: ATtiny48
• Manufacturer: Atmel Corporation

Specifications of ATtiny48

• Flash (kbytes): 4 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 12 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 28
• Ext Interrupts: 28
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.25
• Eeprom (bytes): 64
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 2
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

21. External Programming
21.1
21.2
8008H–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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