AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 6

• Manufacturer Part Number: AT91SAM7SE256B-CUR
• Description: IC ARM7 MCU FLASH 256K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256B-CUR

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: EBI/EMI, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 88
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K 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: *
• Processor Series: SAM7SE256
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: SPI, USB
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 88
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 85 C
• Processor To Be Evaluated: AT91SAM7SE256B
• Supply Current (max): 60 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Table 3-1.
6
Signal Name
PA0 - PA31
PB0 - PB31
PC0 - PC23
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
MISO
MOSI
SPCK
NPCS0
NPCS1-NPCS3
SAM7SE512/256/32 Preliminary
Signal Description List (Continued)
Request To Send
Clear To Send
External Clock Inputs
Timer Counter I/O Line B
SPI Peripheral Chip Select 1 to 3
Function
Parallel IO Controller A
Parallel IO Controller B
Parallel IO Controller C
USB Device Port Data -
USB Device Port Data +
Serial Clock
Transmit Data
Receive Data
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
Timer Counter I/O Line A
PWM Channels
Master In Slave Out
Master Out Slave In
SPI Serial Clock
SPI Peripheral Chip Select 0
Synchronous Serial Controller
Serial Peripheral Interface
USB Device Port
PWM Controller
Timer/Counter
USART
PIO
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
I/O
Active
Level
Low
Low
Comments
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
6222F–ATARM–14-Jan-11