AT91SAM7XC256B-AU Atmel, AT91SAM7XC256B-AU Datasheet - Page 8
![MCU ARM 256K HS FLASH 100-LQFP](/photos/6/76/67646/313-100-lqfp_sml.jpg)
AT91SAM7XC256B-AU
Manufacturer Part Number
AT91SAM7XC256B-AU
Description
MCU ARM 256K HS FLASH 100-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7XC128B-CU.pdf
(47 pages)
Specifications of AT91SAM7XC256B-AU
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
Package
100LQFP
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
Operating Supply Voltage
1.8 V
Data Bus Width
32 Bit
Number Of Programmable I/os
62
Interface Type
CAN/Ethernet/SPI/TWI/USART/USB
On-chip Adc
8-chx10-bit
Number Of Timers
3
Processor Series
91S
Core
ARM7TDMI
Data Ram Size
64 KB
Maximum Clock Frequency
55 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7XC256B-AU
Manufacturer:
WESTCODE
Quantity:
103
Company:
Part Number:
AT91SAM7XC256B-AU
Manufacturer:
ATMEL
Quantity:
899
Table 3-1.
Note:
8
Signal Name
AD0-AD3
AD4-AD7
ADTRG
ADVREF
PGMEN0-PGMEN1
PGMM0-PGMM3
PGMD0-PGMD15
PGMRDY
PGMNVALID
PGMNOE
PGMCK
PGMNCMD
CANRX
CANTX
EREFCK
ETXCK
ERXCK
ETXEN
ETX0 - ETX3
ETXER
ERXDV
ECRSDV
ERX0 - ERX3
ERXER
ECRS
ECOL
EMDC
EMDIO
EF100
1. Refer to
AT91SAM7XC512/256/128 Preliminary
Signal Description List (Continued)
Section 6. ”I/O Lines
Function
Analog Inputs
Analog Inputs
ADC Trigger
ADC Reference
Programming Enabling
Programming Mode
Programming Data
Programming Ready
Data Direction
Programming Read
Programming Clock
Programming Command
CAN Input
CAN Output
Reference Clock
Transmit Clock
Receive Clock
Transmit Enable
Transmit Data
Transmit Coding Error
Receive Data Valid
Carrier Sense and Data Valid
Receive Data
Receive Error
Carrier Sense
Collision Detected
Management Data Clock
Management Data Input/Output
Force 100 Mbits/sec.
Considerations”.
Fast Flash Programming Interface
Analog-to-Digital Converter
Ethernet MAC 10/100
CAN Controller
Analog
Analog
Analog
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
Active
Level
High
High
Low
Low
Low
Comments
Digital pulled-up inputs at reset.
Analog Inputs
RMII only
MII only
MII only
ETX0 - ETX1 only in RMII
MII only
MII only
RMII only
ERX0 - ERX1 only in RMII
MII only
MII only
RMII only
6209DS–ATARM–17-Feb-09