AT90PWM1-16SU Atmel, AT90PWM1-16SU Datasheet - Page 174
![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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17.2.6
17.3
174
Data Modes
AT90PWM1
SPI Data Register – SPDR
• Bits 7:0 - SPD7:0: SPI Data
The SPI Data Register is a read/write register used for data transfer between the Register File
and the SPI Shift Register. Writing to the register initiates data transmission. Reading the regis-
ter causes the Shift Register Receive buffer to be read.
There are four combinations of SCK phase and polarity with respect to serial data, which are
determined by control bits CPHA and CPOL. The SPI data transfer formats are shown in
17-3
nal, ensuring sufficient time for data signals to stabilize. This is clearly seen by summarizing
Table 52
Table 55. CPOL Functionality
Figure 17-3. SPI Transfer Format with CPHA = 0
Bit
Read/Write
Initial Value
and
CPOL=0, CPHA=0
CPOL=0, CPHA=1
CPOL=1, CPHA=0
CPOL=1, CPHA=1
and
Figure
Table
SCK (CPOL = 0)
mode 0
SCK (CPOL = 1)
mode 2
SAMPLE I
MOSI/MISO
CHANGE 0
MOSI PIN
CHANGE 0
MISO PIN
SS
SPD7
MSB first (DORD = 0)
LSB first (DORD = 1)
R/W
17-4. Data bits are shifted out and latched in on opposite edges of the SCK sig-
X
7
53, as done below:
SPD6
R/W
6
X
MSB
LSB
Sample (Falling)
SPD5
Sample (Rising)
R/W
Leading Edge
Setup (Falling)
Setup (Rising)
5
X
Bit 6
Bit 1
SPD4
R/W
4
X
Bit 5
Bit 2
SPD3
R/W
3
X
Bit 4
Bit 3
Sample (Falling)
Sample (Rising)
Setup (Falling)
Setup (Rising)
Trailing eDge
SPD2
Bit 3
Bit 4
R/W
X
2
Bit 2
Bit 5
SPD1
R/W
X
1
Bit 1
Bit 6
SPD0
R/W
X
0
4378C–AVR–09/08
SPI Mode
LSB
MSB
Undefined
0
1
2
3
SPDR
Figure
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