AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 300

• 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

30.2
Figure 30-1. Debug Unit Functional Block Diagram
Table 30-1.
300
Pin Name
DRXD
DTXD
Block Diagram
SAM7SE512/256/32 Preliminary
Management
Power-on
Controller
Reset
Power
Debug Unit Pin Description
Processor
ARM
nTRST
R
APB
Peripheral
Debug Receive Data
Debug Unit Application Example
Description
Debug Transmit Data
Bridge
COMMRX
COMMTX
force_ntrst
MCK
Debug Unit
Baud Rate
Generator
Handler
Handler
Programming Tool
Access
DCC
ICE
Boot Program
Peripheral DMA Controller
Debug Unit
Debug Console
RS232 Drivers
Debug Monitor
Transmit
Interrupt
Receive
Control
Chip ID
Type
Input
Output
Trace Manager
Trace Console
dbgu_irq
Parallel
Output
Input/
6222F–ATARM–14-Jan-11
DTXD
DRXD