ATTINY20-EK1 Atmel, ATTINY20-EK1 Datasheet - Page 165
ATTINY20-EK1
Manufacturer Part Number
ATTINY20-EK1
Description
KIT EVAL TOUCH ATTINY20
Manufacturer
Atmel
Datasheet
1.ATTINY20-EK1.pdf
(224 pages)
Specifications of ATTINY20-EK1
Sensor Type
*
Sensing Range
*
Interface
*
Sensitivity
*
Voltage - Supply
*
Embedded
*
Utilized Ic / Part
*
Silicon Manufacturer
Atmel
Core Architecture
AVR
Core Sub-architecture
TinyAVR
Kit Contents
Board
Svhc
No SVHC (15-Dec-2010)
Mcu Supported Families
ATtiny20
Tool / Board Applications
Microcontroller
Rohs Compliant
Yes
Tool Type
Development Kit
Cpu Core
AVR 8
Data Bus Width
8 bit
Processor To Be Evaluated
ATtiny20
Interface Type
Touch
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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19.3.2
19.3.3
8235B–AVR–04/11
Flash Memory
Configuration Section
The embedded Flash memory of ATtiny20 has four separate sections, as shown in
Table 19-3.
Notes:
ATtiny20 has one configuration byte, which resides in the configuration section. See
Table 19-4.
Table 19-5
into the configuration byte.
Table 19-5.
Notes:
Configuration bits are not affected by a chip erase but they can be cleared using the configura-
tion section erase command (see
configuration bits are locked if Non-Volatile Lock Bit 1 (NVLB1) is programmed.
Section
Code (program memory)
Configuration
Signature
Calibration
Configuration word address
0x00
0x01 ... 0x0F
Bit
7
6
5
4
3
2
1
0
1. This section is read-only.
1. See
(1)
(1)
briefly describes the functionality of all configuration bits and how they are mapped
Bit Name
–
BODLEVEL2
BODLEVEL1
BODLEVEL0
–
CKOUT
WDTON
RSTDISBL
Number of Words and Pages in the Flash
Configuration bytes
Configuration Byte 0
Table 20-6 on page 176
(1)
(1)
(1)
Size (Bytes)
Description
Reserved
Brown-out Detector trigger level
Brown-out Detector trigger level
Brown-out Detector trigger level
Reserved
System Clock Output
Watchdog Timer always on
External Reset disable
2048
16
32
16
High byte
Reserved
Reserved
“Erasing the Configuration Section” on page
for BODLEVEL Fuse decoding.
Page Size (Words)
16
16
16
16
Configuration word data
Pages
Low byte
Configuration Byte 0
Reserved
64
1
2
1
Default Value
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
WADDR
[4:1]
[4:1]
[4:1]
[4:1]
ATtiny20
169). Note that
Table
Table
PADDR
[10:5]
[5:5]
19-3.
–
–
19-4.
165
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