AT91SAM7A1-AU Atmel, AT91SAM7A1-AU Datasheet - Page 3

• Manufacturer Part Number: AT91SAM7A1-AU
• Description: IC ARM7 MCU 32BIT ROMLESS144LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7A1-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 40MHz
• Connectivity: CAN, EBI/EMI, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 49
• Program Memory Type: ROMless
• Ram Size: 4K 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: 144-LQFP
• For Use With: AT91SAM7A1-EK - BOARD EVAL FOR AT91SAM7A1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

2. Block Diagram
Figure 2-1.
6048C–ATARM–29-Jun-06
T0TCLK0/MPIO
T0TCLK1/MPIO
T0TCLK2/MPIO
T0TIOA0/MPIO
T0TIOB0/MPIO
T0TIOA1/MPIO
T0TIOB1/MPIO
T0TIOA2/MPIO
T0TIOB2/MPIO
NPCS0/MPIO
NPCS1/MPIO
NPCS2/MPIO
NPCS3/MPIO
SPCK/MPIO
RXD2/MPIO
RXD0/MPIO
RXD1/MPIO
SCK2/MPIO
MISO/MPIO
MOSI/MPIO
TXD0/MPIO
SCK0/MPIO
TXD1/MPIO
SCK1/MPIO
TXD2/MPIO
AT91SAM7A1 Block Diagram
VDDIO
GND
I/O Power
PIO
PIO
PIO
PIO
Supply
Timer GPT0
PIO
PIO
PIO
Channels
Channels
Channels
Channels
USART0
USART1
USART2
Analog
Power
Suppy
2 PDC
2 PDC
2 PDC
2 PDC
SPI
TC0
TC1
TC2
Core Power
Supply
10-bit ADC
8-channel
Channel
1 PDC
ADC0
5V-compliant
Controller
Analog Supply
Interrupt
Generic
11 Channel
Controller
PDC
Simple Timers
CH0
CH0
ST0
ST1
ASB Controller
CH1
CH1
Full Speed
16 Buffers
SFM
CAN0
Arbiter
Select
WT
AT91SAM7A1
5V-compliant
LFCLK
AMBA
CORECLK
3V3 Supply
Manager
ARM7TDMI
Clock
Embedded
TM
UPIO
JTAG
Core
ICE
Bridge
Watch Dog
PLLON
PLL x
MCK
Advanced
Controller
Memory
Internal RAM
PLL
64
4 KB
32.768 MHz
Reset
1 PDC Channel
1 PDC Channel
4 - 8 MHz
CH0
CH1
CH2
CH3
EBI
CH0
CH0
Capture 0
Capture 1
PWM
PIO
Osc
PIO
Osc
PIO
MC
RT
AT91SAM7A1
ADD[19:1]
ADD0/NLB
ADD20/CS7
ADD21/CS6
NOE/NRD
NWR0/NWE
NWR1 1 /NUB
NCS[3:0]
D[15:0]
NRESET
RTCKI
RTCKO
MCKI
MCKO
PLLRC
PWM0/MPIO
PWM1/MPIO
PWM2/MPIO
PWM3/MPIO
CAPT0/MPIO
CAPT1/MPIO
3