AT91SAM7X128-CU Atmel, AT91SAM7X128-CU Datasheet - Page 315
AT91SAM7X128-CU
Manufacturer Part Number
AT91SAM7X128-CU
Description
MCU ARM 128K HS FLASH 100-TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7X512-AU-999.pdf
(687 pages)
Specifications of AT91SAM7X128-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
128KB (128K 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
100-TFBGA
For Use With
AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7X-EK - KIT EVAL FOR AT91SAM7X256/128
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT91SAM7X128-CU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 315 of 687
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30.6.3.4
Figure 30-11. Receiver Status
6120H–ATARM–17-Feb-09
Baud Rate
US_RHR
RXRDY
US_CR
OVRE
Clock
Read
Write
Receiver Operations
RXD
Start
Bit
D0
Figure 30-10. Synchronous Mode Character Reception
When a character reception is completed, it is transferred to the Receive Holding Register
(US_RHR) and the RXRDY bit in the Status Register (US_CSR) rises. If a character is com-
pleted while the RXRDY is set, the OVRE (Overrun Error) bit is set. The last character is
transferred into US_RHR and overwrites the previous one. The OVRE bit is cleared by writing
the Control Register (US_CR) with the RSTSTA (Reset Status) bit at 1.
D1
Example: 8-bit, Parity Enabled 1 Stop
Baud Rate
Sampling
D2
Clock
RXD
D3
D4
D5
Start
D6
D7
AT91SAM7X512/256/128 Preliminary
Parity
Bit
D0
Stop
Bit
Start
Bit
D1
D0
D1
D2
D2
D3
D3
D4
D4
D5
D6
D5
D7
Parity
Bit
Stop
D6
Bit
RSTSTA = 1
D7
Parity Bit
Stop Bit
315
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