AT90PWM316-16SUR Atmel, AT90PWM316-16SUR Datasheet - Page 296
![MCU AVR 16K FLASH 16MHZ 32-SOIC](/photos/7/29/72992/313-32-soic_sml.jpg)
AT90PWM316-16SUR
Manufacturer Part Number
AT90PWM316-16SUR
Description
MCU AVR 16K FLASH 16MHZ 32-SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM216-16SU.pdf
(359 pages)
Specifications of AT90PWM316-16SUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
27
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
32-SOIC (7.5mm Width)
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOICATAVRMC200 - KIT EVAL FOR AT90PWM3 ASYNCATAVRFBKIT - KIT DEMO BALLAST FOR AT90PWM2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
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25.9.1
296
AT90PWM216/316
Serial Programming Algorithm
Figure 25-10. Serial Programming and Verify
Notes:
When programming the EEPROM, an auto-erase cycle is built into the self-timed programming
operation (in the Serial mode ONLY) and there is no need to first execute the Chip Erase
instruction. The Chip Erase operation turns the content of every memory location in both the
Program and EEPROM arrays into 0xFF.
Depending on CKSEL Fuses, a valid clock must be present. The minimum low and high periods
for the serial clock (SCK) input are defined as follows:
Low: > 2 CPU clock cycles for f
High: > 2 CPU clock cycles for f
When writing serial data to the AT90PWM216/316, data is clocked on the rising edge of SCK.
When reading data from the AT90PWM216/316, data is clocked on the falling edge of SCK. See
Figure 25-11
To program and verify the AT90PWM216/316 in the serial programming mode, the following
sequence is recommended (See four byte instruction formats in
1. Power-up sequence:
2. Wait for at least 20 ms and enable serial programming by sending the Programming
3. The serial programming instructions will not work if the communication is out of syn-
Apply power between V
tems, the programmer can not guarantee that SCK is held low during power-up. In this
case, RESET must be given a positive pulse of at least two CPU clock cycles duration
after SCK has been set to “0”.
Enable serial instruction to pin MOSI.
chronization. When in sync. the second byte (0x53), will echo back when issuing the
third byte of the Programming Enable instruction. Whether the echo is correct or not, all
four bytes of the instruction must be transmitted. If the 0x53 did not echo back, give
RESET a positive pulse and issue a new Programming Enable command.
1. If the device is clocked by the internal Oscillator, it is no need to connect a clock source to the
2. V
XTAL1 pin.
CC
for timing details.
- 0.3V < AVCC < V
MOSI_A
MISO_A
SCK_A
CC
ck
ck
and GND while RESET and SCK are set to “0”. In some sys-
CC
< 12 MHz, 3 CPU clock cycles for f
< 12 MHz, 3 CPU clock cycles for f
+ 0.3V, however, AVCC should always be within 1.8 - 5.5V
XTAL1
RESET
GND
(1)
AVCC
VCC
+1.8 - 5.5V
+1.8 - 5.5V
Table
(2)
ck
ck
25-16):
>= 12 MHz
>= 12 MHz
7710E–AVR–08/10
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