AT91SAM7A2-AU Atmel, AT91SAM7A2-AU Datasheet - Page 6

• Manufacturer Part Number: AT91SAM7A2-AU
• Description: IC ARM7 MCU 32BIT ROMLESS176LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7A2-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 30MHz
• Connectivity: CAN, EBI/EMI, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 57
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 176-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Table 2. Signal Description (Continued)
Note:
6
Module
Timer T1
ADC0
ADC1
SPI
CAN0
CAN1
CAN2
CAN3
JTAG
Power
Supplies
1. Values in brackets are the values at reset (H = High, L = Low, Z = High impedance state).
AT91SAM7A2 - Summary
Name
T1TIOA/MPIO
T1TIOB/MPIO
T0TIOCLK/MPIO
ANA0IN[7:0]
VREFP0
ANA1IN[7:0]
VREFP1
SPCK/MPIO
MISO/MPIO
MOSI/MPIO
NPCS[3:1]/MPIO
NPCS0/NSS/MPIO SPI chip select (slave input)
CANRX0
CANTX0
CANRX1
CANTX1
CANRX2
CANTX2
CANRX3
CANTX3
SCANEN
TDI
TDO
TMS
TCK
TEST
VDDCORE
VDDANA
VDDIO
GND
PRELIMINARY
Function
External clock/trigger/input
SPI master in slave out
CAN0 receive line
CAN0 transmit line
CAN1 receive line
CAN1 transmit line
CAN2 receive line
CAN2 transmit line
CAN3 receive line
CAN3 transmit line
Test Data Out
Test Mode Select
Analog Power Supply
Ground
Capture/waveform I/O
Trigger/waveform I/O
Analog input
Positive voltage reference
Analog input
Positive voltage reference
SPI clock line
SPI master out slave in
SPI chip select
Scan enable
Test Data In
Test Clock
Factory Test
Core Power Supply
I/O Lines Power Supply
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
I
I
I
I
-
-
-
-
I
I
I
I
I
I
I
I
I
Active
Level Comments
L (H)
L (H)
L (H)
L (H)
(Z)
(Z)
(Z)
(Z)
(Z)
(Z)
(Z)
(Z)
H
H
L
L
L
L
Multiplexed with a general purpose I/O
Multiplexed with a general purpose I/O
Multiplexed with a general purpose I/O
Multiplexed with a general purpose I/O
Multiplexed with a general purpose I/O
Multiplexed with a general purpose I/O
Internal pull-down (connected GND or leave
unconnected)
Schmitt trigger, internal pull-up
Schmitt trigger, internal pull-up
Schmitt trigger, internal pull-up
Internal pull-down (connected GND or leave
unconnected)
3.3V
3.3V
3.3V to 5V
Multiplexed with a general purpose I/O
Multiplexed with a general purpose I/O
6021BS–ATARM–06-Jul-04