AT91SAM7SE256B-CU Atmel, AT91SAM7SE256B-CU Datasheet - Page 390

• Manufacturer Part Number: AT91SAM7SE256B-CU
• Description: IC ARM7 MCU FLASH 256K 144-LFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256B-CU

• 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: *
• Core: ARM7TDMI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

33.2
Figure 33-1. USART Block Diagram
390
Block Diagram
SAM7SE512/256/32 Preliminary
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
RXD
RTS
TXD
CTS
DTR
DSR
DCD
RI
SCK
6222F–ATARM–14-Jan-11