AT32UC3L064-D3UR Atmel, AT32UC3L064-D3UR Datasheet - Page 486
AT32UC3L064-D3UR
Manufacturer Part Number
AT32UC3L064-D3UR
Description
MCU AVR32 64KB FLASH 48TLLGA
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3L-EK.pdf
(858 pages)
Specifications of AT32UC3L064-D3UR
Core Processor
AVR
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, PWM, WDT
Number Of I /o
36
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 3.6 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-TLLGA
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
16 KB
Interface Type
SPI, TWI, USART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
36
Number Of Timers
7
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL
Development Tools By Supplier
AT32UC3L-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 9 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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21.9.3
Name:
Access Type:
Offset:
Reset Value:
• EXP: SMBus Timeout Clock prescaler
• THMAX: Clock High maximum cycles
• TLOWM: Master Clock stretch maximum cycles
• TLOWS: Slave Clock stretch maximum cycles
32099F–11/2010
31
23
15
7
Used to specify how to prescale the TIM and TLOWM counters in SMBTR. Counters are prescaled according to the following
formula
Clock cycles in clock high maximum count. Prescaled by SMBTR.EXP. Used for bus free detection. Used to time T
NOTE: Uses the prescaler specified by CWGR, NOT the prescaler specified by SMBTR.
Clock cycles in master maximum clock stretch count. Prescaled by SMBTR.EXP. Used to time T
Clock cycles in slave maximum clock stretch count. Prescaled by SMBTR.EXP. Used to time T
SMBus Timing Register (SMBTR)
f
prescaled SMBus
,
30
22
14
6
SMBTR
Read/Write
0x08
0x00000000
=
EXP
---------------------- -
2
(
f
EXP
clkpb
+
1
)
29
21
13
5
28
20
12
4
TLOWM
THMAX
TLOWS
27
19
11
3
-
26
18
10
2
-
AT32UC3L016/32/64
LOW:SEXT
LOW:MEXT
25
17
9
1
-
.
HIGH:MAX
24
16
8
0
-
.
486
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