ATTINY5-MAHR Atmel, ATTINY5-MAHR Datasheet - Page 116
![IC MCU AVR 512B FLASH 8UDFN](/photos/12/32/123206/8-udfn-8ma4_sml.jpg)
ATTINY5-MAHR
Manufacturer Part Number
ATTINY5-MAHR
Description
IC MCU AVR 512B FLASH 8UDFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY9-MAHR.pdf
(169 pages)
Specifications of ATTINY5-MAHR
Package / Case
8-UDFN Exposed Pad
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
12MHz
Number Of I /o
4
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
32 x 8
Program Memory Size
512B (512 x 8)
Data Converters
A/D 4x8b
Oscillator Type
Internal
Peripherals
POR, PWM, WDT
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Lead Free Status / Rohs Status
Details
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15.7
15.7.1
15.7.2
116
Register Description
ATtiny4/5/9/10
NVMCSR - Non-Volatile Memory Control and Status Register
NVMCMD - Non-Volatile Memory Command Register
• Bit 7 - NVMBSY: Non-Volatile Memory Busy
This bit indicates the NVM memory (Flash memory and Lock Bits) is busy, being programmed.
This bit is set when a program operation is started, and it remains set until the operation has
been completed.
• Bit 6:0 - Res: Reserved Bits
These bits are reserved and will always be read as zero.
• Bit 7:6 - Res: Reserved Bits
These bits are reserved and will always read zero.
• Bit 5:0 - NVMCMD[5:0]: Non-Volatile Memory Command
These bits define the programming commands for the flash, as shown in
Table 15-10. NVM Programming commands
Bit
0x32
Read/Write
Initial Value
Bit
0x33
Read/Write
Initial Value
Operation Type
General
Section
Word
NVMBSY
R/W
R
7
–
0
7
0
0b000000
0b010000
0b010100
0b011101
R
6
–
0
Binary
R
6
–
0
NVMCMD
R/W
5
0
R
5
–
0
0x1D
0x00
0x10
0x14
Hex
R/W
4
0
R
4
–
0
R/W
Mnemonic
NO_OPERATION
CHIP_ERASE
SECTION_ERASE
WORD_WRITE
NVMCMD[5:0]
3
0
R
3
–
0
R/W
2
0
R
2
–
0
R/W
1
0
R
1
–
0
Description
No operation
Chip erase
Section erase
Word write
R/W
Table
0
0
R
0
–
0
15-10.
NVMCMD
NVMCSR
8127D–AVR–02/10
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