ATTINY25V-15ST Atmel, ATTINY25V-15ST Datasheet - Page 16
ATTINY25V-15ST
Manufacturer Part Number
ATTINY25V-15ST
Description
MCU AVR 2K FLASH 4MHZ 8-SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY25-15MZ.pdf
(196 pages)
Specifications of ATTINY25V-15ST
Package / Case
8-SOIC (3.9mm Width)
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Speed
8MHz
Number Of I /o
6
Eeprom Size
128 x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
128 x 8
Program Memory Size
2KB (2K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
USI
Core Size
8-Bit
Processor Series
ATTINY2x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
128 B
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY25V-15ST
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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5.3.2
5.3.3
5.3.4
5.3.5
16
ATtiny25/45/85
EEPROM Address Register High – EEARH
EEPROM Address Register – EEARL
EEPROM Data Register – EEDR
EEPROM Control Register – EECR
• Bit 7..1 – Res6..0: Reserved Bits
These bits are reserved for future use and will always read as 0 in ATtiny25/45/85.
• Bits 0 – EEAR8: EEPROM Address
The EEPROM Address Register – EEARH – specifies the high EEPROM address in the
128/256/512 bytes EEPROM space. The EEPROM data bytes are addressed linearly between 0
and 127/255/511. The initial value of EEAR is undefined. A proper value must be written before
the EEPROM may be accessed.
• Bits 7..0 – EEAR7..0: EEPROM Address
The EEPROM Address Register – EEARL – specifies the low EEPROM address in the
128/256/512 bytes EEPROM space. The EEPROM data bytes are addressed linearly between 0
and 127/255/511. The initial value of EEAR is undefined. A proper value must be written before
the EEPROM may be accessed.
• Bits 7..0 – EEDR7..0: EEPROM Data
For the EEPROM write operation the EEDR Register contains the data to be written to the
EEPROM in the address given by the EEAR Register. For the EEPROM read operation, the
EEDR contains the data read out from the EEPROM at the address given by EEAR.
• Bit 7 – Res: Reserved Bit
This bit is reserved for future use and will always read as 0 in ATtiny25/45/85. For compatibility
with future AVR devices, always write this bit to zero. After reading, mask out this bit.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
EEAR7
EEDR7
R/W
R
R
X
X
X
R
7
7
7
7
–
0
-
EEAR6
EEDR6
R/W
R
R
X
6
X
6
6
X
R
6
–
0
-
EEAR5
EEDR5
EEPM1
R/W
R/W
R/W
R
X
5
X
X
5
5
5
X
-
EEAR4
EEDR4
EEPM0
R/W
R/W
R/W
X
R
X
4
X
X
4
4
4
-
EEAR3
EEDR3
EERIE
R/W
R/W
R/W
X
R
3
3
X
3
X
3
0
-
EEAR2
EEDR2
EEMPE
R/W
R/W
R/W
2
X
R
X
X
2
2
2
0
-
EEAR1
EEDR1
EEPE
R/W
R/W
R/W
X
R
1
1
X
1
X
1
X
-
EEAR0
EEAR8
EEDR0
EERE
R/W
R/W
R/W
R/W
0
X
X
X
0
0
0
0
7598H–AVR–07/09
EEARL
EEARH
EEDR
EECR
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