AT90PWM1-16SU Atmel, AT90PWM1-16SU Datasheet - Page 20
![MCU AVR 8K FLASH 16MHZ 24-SOIC](/photos/6/70/67046/453-24-soic_sml.jpg)
AT90PWM1-16SU
Manufacturer Part Number
AT90PWM1-16SU
Description
MCU AVR 8K FLASH 16MHZ 24-SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM1-16SU.pdf
(297 pages)
Specifications of AT90PWM1-16SU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
19
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
24-SOIC (7.5mm Width)
Processor Series
AT90PWMx
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
19
Number Of Timers
2
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRFBKIT, ATAVRISP2
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 11 Channel
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90PWM1-16SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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6.3.3
6.3.4
20
AT90PWM1
The EEPROM Data Register – EEDR
The EEPROM Control Register – EECR
• Bits 15..9 – Reserved Bits
These bits are reserved bits in the AT90PWM1 and will always read as zero.
• Bits 8..0 – EEAR8..0: EEPROM Address
The EEPROM Address Registers – EEARH and EEARL specify the EEPROM address in the
512 bytes EEPROM space. The EEPROM data bytes are addressed linearly between 0 and
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.
• Bits 7..6 – Reserved Bits
These bits are reserved bits in the AT90PWM1 and will always read as zero.
• Bits 5..4 – EEPM1 and EEPM0: EEPROM Programming Mode Bits
The EEPROM Programming mode bit setting defines which programming action that will be trig-
gered when writing EEWE. It is possible to program data in one atomic operation (erase the old
value and program the new value) or to split the Erase and Write operations in two different
operations. The Programming times for the different modes are shown in
is set, any write to EEPMn will be ignored. During reset, the EEPMn bits will be reset to 0b00
unless the EEPROM is busy programming.
Table 1. EEPROM Mode Bits
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
EEPM1
0
0
1
1
EEPM0
EEAR7
EEDR7
0
1
0
1
R/W
R/W
R
7
0
X
R
7
0
7
–
0
Programming
EEAR6
EEDR6
R/W
R/W
R
X
6
0
R
6
0
6
–
0
3.4 ms
1.8 ms
1.8 ms
Time
–
EEAR5
EEPM1
EEDR5
R/W
R/W
R/W
R
X
5
0
X
5
0
5
Operation
Erase and Write in one operation (Atomic Operation)
Erase Only
Write Only
Reserved for future use
EEAR4
EEPM0
EEDR4
R/W
R/W
R/W
R
X
4
0
X
4
0
4
EEAR3
EEDR3
EERIE
R/W
R/W
R/W
R
X
3
0
3
0
3
0
EEMWE
EEDR2
EEAR2
R/W
R/W
R/W
2
0
R
2
2
0
X
0
EEDR1
EEAR1
EEWE
R/W
R/W
R/W
1
0
1
X
R
X
1
0
EEDR0
EEAR0
EERE
R/W
R/W
R/W
R/W
0
0
0
0
X
X
Table
0
1. While EEWE
EEDR
EEARL
EECR
4378C–AVR–09/08
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