AT91SAM7X256B-CU Atmel, AT91SAM7X256B-CU Datasheet - Page 206

• Manufacturer Part Number: AT91SAM7X256B-CU
• Description: IC MCU 256KB FLASH 100TFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7X256B-CU

• 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-TFBGA
• Processor Series: 91S
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: CAN, Ethernet, SPI, I2S, TWI, USART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 62
• Number Of Timers: 3
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Package: 100TFBGA
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• On-chip Adc: 8-chx10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

26.2
Figure 26-1. Debug Unit Functional Block Diagram
Table 26-1.
206
Pin Name
DRXD
DTXD
Block Diagram
AT91SAM7X512/256/128 Preliminary
Management
Power-on
Controller
Reset
Power
Debug Unit Pin Description
Processor
ARM
nTRST
R
APB
Peripheral
Debug Receive Data
Figure 26-2. 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/
6120H–ATARM–17-Feb-09
DTXD
DRXD