AT91SAM7S512-AU-999 Atmel, AT91SAM7S512-AU-999 Datasheet - Page 301
![IC MCU ARM7 512KB FLASH 64LQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
AT91SAM7S512-AU-999
Manufacturer Part Number
AT91SAM7S512-AU-999
Description
IC MCU ARM7 512KB FLASH 64LQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7S512-AU-999
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K 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
64-LQFP
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
I2C, JTAG, SPI, USART
Maximum Clock Frequency
55 MHz
Number Of Programmable I/os
32
Operating Supply Voltage
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, AT91SAM7S-EK
Minimum Operating Temperature
- 40 C
For Use With
AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 301 of 779
- Download datasheet (11Mb)
6175K–ATARM–30-Aug-10
Figure 29-15. TWI Write Operation with Multiple Data Bytes with or without Internal Address
TWI_THR = data to send
Yes
(CLDIV, CHDIV, CKDIV) in TWI_CWGR
AT91SAM7S Series Preliminary
- Internal address size
Set the Master Mode register:
Internal address size = 0?
Write ==> bit MREAD = 0
TWI_THR = Data to send
Set the Control register:
- Device slave address
Load Transmit register
- Transfer direction bit
Read Status register
Read Status register
(Needed only once)
TWI_CR = MSEN
- Master enable
TXCOMP = 1?
Yes
Data to send?
Yes
Set TWI clock
TXRDY = 1?
Yes
BEGIN
END
(if IADR used)
No
No
No
Set the internal address
TWI_IADR = address
301
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