AT32UC3L032-D3UR Atmel, AT32UC3L032-D3UR Datasheet - Page 812

• Manufacturer Part Number: AT32UC3L032-D3UR
• Description: MCU AVR32 32KB FLASH 48TLLGA
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3L032-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: 32KB (32K 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

Table 32-42. TWI-Bus Timing Requirements
Notes:
32099F–11/2010
t
t
t
t
t
f
SU-DAT-TWI
SU-DAT
LOW-TWI
LOW
HIGH
TWCK
Symbol
1. Standard mode:
2. A device must internally provide a hold time of at least 300 ns for TWD with reference to the falling edge of TWCK.
Data set-up time
TWCK LOW period
TWCK HIGH period
TWCK frequency
Parameter
Notations:
C
t
t
The maximum t
of TWCK.
f
clkpb
prescaled
TWCK
b
= total capacitance of one bus line in pF
= period of TWI peripheral bus clock
≤
100 kHz
= period of TWI internal prescaled clock (see chapters on TWIM and TWIS)
Standard
Fast
-
Standard
Fast
-
Standard
Fast
Standard
Fast
; fast mode:
HD;DAT
Mode
has only to be met if the device does not stretch the LOW period (t
Requirement
f
TWCK
250
100
4.7
1.3
4.0
0.6
-
-
>
100 kHz
Minimum
-
.
Device
2t
4t
8t
t
t
clkpb
clkpb
clkpb
clkpb
clkpb
AT32UC3L016/32/64
Requirement
100
400
Maximum
-
-
-
-
-
----------------------- -
12t clkpb
Device
1
LOW-TWI
Unit
kHz
μs
μs
812
ns
-
-
)