AT91SAM7S64C-AU Atmel, AT91SAM7S64C-AU Datasheet - Page 383
AT91SAM7S64C-AU
Manufacturer Part Number
AT91SAM7S64C-AU
Description
IC ARM7 MCU 32BIT 64K 64LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7S16-MU.pdf
(779 pages)
Specifications of AT91SAM7S64C-AU
Package / Case
64-LQFP
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
55MHz
Number Of I /o
32
Core Processor
ARM7
Program Memory Type
FLASH
Ram Size
16K x 8
Program Memory Size
64KB (64K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity
I²C, SPI, SSC, UART/USART, USB
Core Size
16/32-Bit
Core
ARM7TDMI
Package
64LQFP
Device Core
ARM7TDMI
Family Name
AT91
Maximum Speed
55 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
32
Interface Type
SPI/TWI/USART/USB
On-chip Adc
8-chx10-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
AT91SAM7S64B-AU::AT91SAM7S64B-AU
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7S64C-AU
Manufacturer:
ATMEL
Quantity:
4 300
Part Number:
AT91SAM7S64C-AU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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31.6.8.2
31.6.8.3
31.6.8.4
6175K–ATARM–30-Aug-10
Automatic Echo Mode
Local Loopback Mode
Remote Loopback Mode
Figure 31-30. Normal Mode Configuration
Automatic echo mode allows bit-by-bit retransmission. When a bit is received on the RXD pin, it
is sent to the TXD pin, as shown in
the TXD pin. The RXD pin is still connected to the receiver input, thus the receiver remains
active.
Figure 31-31. Automatic Echo Mode Configuration
Local loopback mode connects the output of the transmitter directly to the input of the receiver,
as shown in
the receiver and the TXD pin is continuously driven high, as in idle state.
Figure 31-32. Local Loopback Mode Configuration
Remote loopback mode directly connects the RXD pin to the TXD pin, as shown in
The transmitter and the receiver are disabled and have no effect. This mode allows bit-by-bit
retransmission.
Figure
31-32. The TXD and RXD pins are not used. The RXD pin has no effect on
Transmitter
Transmitter
Transmitter
Receiver
Receiver
Receiver
AT91SAM7S Series Preliminary
Figure
31-31. Programming the transmitter has no effect on
1
RXD
TXD
RXD
TXD
RXD
TXD
Figure
31-33.
383
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