AT91SAM7X128-CU Atmel, AT91SAM7X128-CU Datasheet - Page 284
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
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Price
Part Number:
AT91SAM7X128-CU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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Figure 29-6. Master Write with Multiple Data Byte
Figure 29-7. Master Write with One Byte Internal Address and Multiple Data Bytes
284
TXCOMP
TXCOMP
TXRDY
TXRDY
TWD
TWD
AT91SAM7X512/256/128 Preliminary
Write THR (Data n)
S
Write THR (Data n)
S
DADR
DADR
acknowledge the byte. As with the other status bits, an interrupt can be generated if enabled in
the interrupt enable register (TWI_IER). If the slave acknowledges the byte, the data written in
the TWI_THR, is then shifted in the internal shifter and transferred. When an acknowledge is
detected, the TXRDY bit is set until a new write in the TWI_THR. When no more data is written
into the TWI_THR, the master generates a stop condition to end the transfer. The end of the
complete transfer is marked by the TWI_TXCOMP bit set to one. See
and
Figure 29-5. Master Write with One Data Byte
W
Figure
W
TXCOMP
A
TXRDY
TWD
29-7.
IADR(7:0)
A
Write THR (DATA)
S
Write THR (Data n+1)
DATA n
A
DADR
DATA n
Write THR (Data n+1)
A
W
A
A
Write THR (Data n+x)
DATA n+5
Last data sent
DATA
Write THR (Data n+x)
DATA n+5
Last data sent
A
(ACK received and TXRDY = 1)
A
DATA n+x
A
STOP sent automaticaly
(ACK received and TXRDY = 1)
(ACK received and TXRDY = 1)
P
STOP sent automaticaly
Figure
DATA n+x
STOP sent automaticaly
6120H–ATARM–17-Feb-09
29-5,
A
A
Figure
P
P
29-6,
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