AT91SAM7SE256-AU Atmel, AT91SAM7SE256-AU Datasheet - Page 396
![IC ARM7 MCU FLASH 256K 128-LQFP](/photos/6/71/67112/128-lqfp_sml.jpg)
AT91SAM7SE256-AU
Manufacturer Part Number
AT91SAM7SE256-AU
Description
IC ARM7 MCU FLASH 256K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT88SC-SDK1.pdf
(90 pages)
2.AT91SAM7SE256-AU.pdf
(673 pages)
3.AT91SAM7SE32-AU.pdf
(655 pages)
Specifications of AT91SAM7SE256-AU
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
128-LQFP
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
SPI, TWI, USART
Maximum Clock Frequency
55 MHz
Number Of Programmable I/os
88
Number Of Timers
2
Operating Supply Voltage
3 V to 3.6 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, 8 Channel
Controller Family/series
AT91SAM7xxxxx
No. Of I/o's
88
Ram Memory Size
32KB
Cpu Speed
48MHz
No. Of Timers
3
Rohs Compliant
Yes
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7SE256-AU
Manufacturer:
ATMEL
Quantity:
165
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33.10 Two-wire Interface (TWI) User Interface
Table 33-3.
396
Offset
0x00
0x04
0x08
0x0C
0x10
0x20
0x24
0x28
0x2C
0x30
0x34
0x38 - 0xFC
AT91SAM7SE512/256/32 Preliminary
Two-wire Interface (TWI) User Interface
Register
Control Register
Master Mode Register
Slave Mode Register
Internal Address Register
Clock Waveform Generator Register
Status Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Receive Holding Register
Transmit Holding Register
Reserved
TWI_CWGR
TWI_MMR
TWI_IADR
TWI_SMR
TWI_RHR
TWI_THR
TWI_IMR
TWI_IDR
TWI_IER
TWI_CR
TWI_SR
Name
–
Read/Write
Read/Write
Read/Write
Read/Write
Read-only
Read-only
Read-only
Write-only
Write-only
Write-only
Write-only
Access
–
6222B–ATARM–26-Mar-07
0x00000000
0x00000000
0x00000000
0x00000000
0x0000F009
0x00000000
0x00000000
0x00000000
Reset State
N / A
N / A
N / A
–
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