AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 304

• 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

30.2
304
Block Diagram
AT91SAM7X512/256/128 Preliminary
Figure 30-1. USART Block Diagram
PMC
AIC
Interrupt
USART
DIV
SLCK
MCK/DIV
MCK
USART
APB
Channel
Peripheral DMA
User Interface
Controller
Channel
Transmitter
Baud Rate
Generator
Receiver
Modem
Signals
Control
Controller
PIO
6120H–ATARM–17-Feb-09
RXD
RTS
TXD
CTS
DTR
DSR
DCD
RI
SCK