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ATtiny48 Datasheet(PDF) 187 Page - ATMEL Corporation

Part # ATtiny48
Description  8-bit Microcontroller with 4/8K Bytes In-System Programmable Flash
PDF  266 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATtiny48 Datasheet(HTML) 187 Page - ATMEL Corporation

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187
8008C–AVR–03/09
ATtiny48/88
20.5
Page Size
20.6
Parallel Programming Parameters, Pin Mapping, and Commands
This section describes how to parallel program and verify Flash Program memory, EEPROM
Data memory, Memory Lock bits, and Fuse bits in the ATtiny48/88. Pulses are assumed to be at
least 250 ns unless otherwise noted.
20.6.1
Signal Names
In this section, some pins of the ATtiny48/88 are referenced by signal names describing their
functionality during parallel programming, see Figure 20-1 and Table 20-9. Pins not described in
the following table are referenced by pin names.
Figure 20-1. Parallel Programming
Table 20-7.
No. of Words in a Page and No. of Pages in the Flash
Device
Flash Size
Page Size
PCWORD
No. of
Pages
PCPAGE
PCMSB
ATtiny48
2K words
(4K bytes)
32 words
PC[4:0]
64
PC[10:5]
10
ATtiny88
4K words
(8K bytes)
32 words
PC[4:0]
128
PC[11:5]
11
Table 20-8.
No. of Words in a Page and No. of Pages in the EEPROM
Device
EEPROM
Size
Page
Size
PCWORD
No. of
Pages
PCPAGE
EEAMSB
ATtiny48
64 bytes
4 bytes
EEA[1:0]
16
EEA[5:2]
5
ATtiny88
64 bytes
4 bytes
EEA[1:0]
16
EEA[5:2]
5
VCC
GND
CLKI
PD1
PD2
PD3
PD4
PD5
PD6
PC[1:0]:PB[5:0]
DATA
RESET
PD7
+12 V
BS1
XA0
XA1
OE
RDY/BSY
PAGEL
PC2
WR
BS2
AVCC
+4.5 - 5.5V
+4.5 - 5.5V



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