AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 206

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

Specifications of AT91SAM7X128

• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Ram Size: 32 KB
• Program Memory Size: 128 KB
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

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