AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 216

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

Specifications of AT91SAM7S256D-AU

• Rohs: yes
• Core: ARM
• Processor Series: AT91SAM
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 55 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USART
• Length: 7 mm

26.2
Figure 26-1. Debug Unit Functional Block Diagram
Table 26-1.
Pin Name
DRXD
DTXD
Block Diagram
Debug Unit Application Example
Management
Power-on
Controller
Reset
Power
Debug Unit Pin Description
Processor
ARM
nTRST
R
APB
Peripheral
Description
Debug Receive Data
Debug Transmit Data
Bridge
COMMRX
COMMTX
force_ntrst
MCK
Programming Tool
Boot Program
Debug Unit
Baud Rate
Generator
Handler
Handler
Access
DCC
ICE
Peripheral DMA Controller
Debug Unit
Debug Console
RS232 Drivers
Debug Monitor
Transmit
Interrupt
Receive
Control
Chip ID
Type
Input
Output
Trace Manager
Trace Console
SAM7S Series [DATASHEET]
dbgu_irq
Parallel
Output
Input/
6175M–ATARM–26-Oct-12
DRXD
DTXD
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