AT91SAM7XC256B-AU-999 Atmel, AT91SAM7XC256B-AU-999 Datasheet - Page 7
![IC MCU ARM7 256KB FLASH 100LQFP](/photos/6/76/67646/313-100-lqfp_sml.jpg)
AT91SAM7XC256B-AU-999
Manufacturer Part Number
AT91SAM7XC256B-AU-999
Description
IC MCU ARM7 256KB FLASH 100LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7XC128B-CU.pdf
(47 pages)
Specifications of AT91SAM7XC256B-AU-999
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
62
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Table 3-1.
6209DS–ATARM–17-Feb-09
Signal Name
DDM
DDP
SCK0 - SCK1
TXD0 - TXD1
RXD0 - RXD1
RTS0 - RTS1
CTS0 - CTS1
DCD1
DTR1
DSR1
RI1
TD
RD
TK
RK
TF
RF
TCLK0 - TCLK2
TIOA0 - TIOA2
TIOB0 - TIOB2
PWM0 - PWM3
SPIx_MISO
SPIx_MOSI
SPIx_SPCK
SPIx_NPCS0
SPIx_NPCS1-NPCS3
TWD
TWCK
Signal Description List (Continued)
Function
USB Device Port Data -
USB Device Port Data +
Serial Clock
Transmit Data
Receive Data
Request To Send
Clear To Send
Data Carrier Detect
Data Terminal Ready
Data Set Ready
Ring Indicator
Transmit Data
Receive Data
Transmit Clock
Receive Clock
Transmit Frame Sync
Receive Frame Sync
External Clock Inputs
I/O Line A
I/O Line B
PWM Channels
Master In Slave Out
Master Out Slave In
SPI Serial Clock
SPI Peripheral Chip Select 0
SPI Peripheral Chip Select 1 to 3
Two-wire Serial Data
Two-wire Serial Clock
Serial Peripheral Interface - SPIx
Synchronous Serial Controller
AT91SAM7XC512/256/128 Preliminary
Two-wire Interface
USB Device Port
PWM Controller
Timer/Counter
USART
Analog
Analog
Output
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Active
Level
Low
Low
Comments
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