AT32UC3L064-D3HR Atmel, AT32UC3L064-D3HR Datasheet - Page 59

• Manufacturer Part Number: AT32UC3L064-D3HR
• Description: MCU AVR32 64K FLASH 48TTLGA
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3L064-D3HR

• 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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

7.9.6
Table 7-28.
Note:
7.9.6.1
Table 7-29.
Note:
32099F–11/2010
Symbol
f
t
t
V
I
I
Symbol
V
C
R
ADC
STARTUP
CONV
ADC
ADVREFP
ADVREFP
ADn
ONCHIP
ONCHIP
These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same process
technology. These values are not covered by test limits in production.
1. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
Analog to Digital Converter Characteristics
cess technology. These values are not covered by test limits in production.
Parameter
ADC clock frequency
Startup time
Conversion time (latency)
Throughput rate
Reference voltage range
Current consumption on V
Current consumption on ADVREFP
pin
Parameter
Input Voltage Range
Internal Capacitance
Internal Resistance
Inputs and Sample and Hold Aquisition Time
ADC Characteristics
Analog Inputs
An analog voltage input must be able to charge the sample and hold (S/H) capacitor in the ADC
in order to achieve maximum accuracy. Seen externally the ADC input consists of a resistor
(
(
hold time.
R
C
ONCHIP
SOURCE
(1)
(1)
) and a capacitor (
) of the PCB and source must be taken into account when calculating the sample and
VDDANA
Figure 7-7
Conditions
10-bit mode
8-bit mode
V
V
V
VDDIO
VDDCORE
VDDIO
shows the ADC input channel equivalent circuit.
Conditions
10-bit resolution mode
8-bit resolution mode
Return from Idle Mode
f
V
10-bit resolution mode,
low impedance source
V
8-bit resolution mode,
low impedance source
V
ADC Clock = 6MHz
f
ADC
ADC
= 3.0V to 3.6V,
= V
ADVREFP
VDD
VDD
= 1.8V
VDDCORE
= 6MHz
= 6MHz
> 3.0V, f
> 3.0V, f
C
ONCHIP
= V
VDDANA
= 1.62V to 1.98V
ADC
ADC
). In addition the resistance (
= 6MHz,
= 6MHz,
1.62
Min
AT32UC3L016/32/64
Min
11
0
Typ
300
250
Typ
15
R
SOURCE
V
) and capacitance
ADVREFP
Max
1.98
460
460
Max
21.5
2.55
55.3
26
6
6
cycles
Units
kSPS
kOhm
MHz
Units
µA
µs
pF
V
V
59