AT91SAM7SE512-CU Atmel, AT91SAM7SE512-CU Datasheet - Page 354
AT91SAM7SE512-CU
Manufacturer Part Number
AT91SAM7SE512-CU
Description
IC ARM7 MCU FLASH 512K 144-LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE512-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
512KB (512K 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
144-LFBGA
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
EBI, SPI, TWI, USART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
1.8 V to 3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, KSK-AT91SAM7S-PL, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM7SE-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
For Use With
AT91SAM7SE-EK - EVAL BOARD FOR AT91SAM7SEAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
AT91SAM7SE512-CJ
AT91SAM7SE512-CJ
AT91SAM7SE512-CJ
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7SE512-CU
Manufacturer:
ALTERA
Quantity:
200
Part Number:
AT91SAM7SE512-CU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 354 of 673
- Download datasheet (11Mb)
Figure 32-7. Master Write with Multiple Data Byte
Figure 32-8. Master Write with One Byte Internal Address and Multiple Data Bytes
32.7.5
354
TXCOMP
TXCOMP
TXRDY
TXRDY
TWD
TWD
Write THR (Data n)
SAM7SE512/256/32 Preliminary
Master Receiver Mode
S
Write THR (Data n)
S
DADR
DADR
Figure 32-6. Master Write with One Data Byte
The read sequence begins by setting the START bit. After the start condition has been sent, the
master sends a 7-bit slave address to notify the slave device. The bit following the slave address
indicates the transfer direction, 1 in this case (MREAD = 1 in TWI_MMR). During the acknowl-
edge clock pulse (9th pulse), the master releases the data line (HIGH), enabling the slave to pull
it down in order to generate the acknowledge. The master polls the data line during this clock
pulse and sets the NACK bit in the status register if the slave does not acknowledge the byte.
If an acknowledge is received, the master is then ready to receive data from the slave. After data
has been received, the master sends an acknowledge condition to notify the slave that the data
has been received except for the last data, after the stop condition. See
RXRDY bit is set in the status register, a character has been received in the receive-holding reg-
ister (TWI_RHR). The RXRDY bit is reset when reading the TWI_RHR.
W
W
TXCOMP
A
TXRDY
TWD
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
A
DATA n+x
STOP sent automaticaly
(ACK received and TXRDY = 1)
(ACK received and TXRDY = 1)
P
STOP sent automaticaly
DATA n+x
STOP sent automaticaly
Figure
6222F–ATARM–14-Jan-11
A
32-9. When the
A
P
P
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