AT90PWM316-16SUR Atmel, AT90PWM316-16SUR Datasheet - Page 35
![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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7.6.2
7710E–AVR–08/10
PLL Control and Status Register – PLLCSR
Figure 7-3.
• Bit 7..3 – Res: Reserved Bits
These bits are reserved bits in the AT90PWM216/316 and always read as zero.
• Bit 2 – PLLF: PLL Factor
The PLLF bit is used to select the division factor of the PLL.
If PLLF is set, the PLL output is 64Mhz.
If PLLF is clear, the PLL output is 32Mhz.
• Bit 1 – PLLE: PLL Enable
When the PLLE is set, the PLL is started and if not yet started the internal RC Oscillator is
started as PLL reference clock. If PLL is selected as a system clock source the value for this bit
is always 1.
• Bit 0 – PLOCK: PLL Lock Detector
When the PLOCK bit is set, the PLL is locked to the reference clock, and it is safe to enable
CLK
Bit
$29 ($29)
Read/Write
Initial Value
PLL
XTAL1
XTAL2
for PSC. After the PLL is enabled, it takes about 100 ms for the PLL to lock.
RC OSCILLATOR
OSCCAL
8 MHz
PCK Clocking System AT90PWM216/316
OSCILLATORS
R
7
–
0
R
6
–
0
CKSEL3..0
R
5
–
0
DIVIDE
BY 8
R
4
–
0
PLLE
PLL
64x
R
3
–
0
Detector
Lock
DIVIDE
DIVIDE
PLLF
PLLF
BY 2
BY 4
R/W
AT90PWM216/316
2
0
PLLE
R/W
0/1
1
PLOCK
CLK
PLOCK
R
0
0
CK
PLL
SOURCE
PLLCSR
35
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