AT91SAM7SE256B-AU Atmel, AT91SAM7SE256B-AU Datasheet - Page 388
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
AT91SAM7SE256B-AU
Manufacturer Part Number
AT91SAM7SE256B-AU
Description
IC ARM7 MCU FLASH 256K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE256B-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
*
Core
ARM7TDMI
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: 388 of 673
- Download datasheet (11Mb)
32.10.10 TWI Receive Holding Register
Name:
Access:
Reset Value: 0x00000000
• RXDATA: Master or Slave Receive Holding Data
32.10.11 TWI Transmit Holding Register
Name:
Access:
Reset Value: 0x00000000
• TXDATA: Master or Slave Transmit Holding Data
388
31
23
15
31
23
15
–
–
–
7
–
–
–
7
SAM7SE512/256/32 Preliminary
TWI_RHR
Read-only
TWI_THR
Read-write
30
22
14
30
22
14
–
–
–
6
–
–
–
6
29
21
13
29
21
13
–
–
–
5
–
–
–
5
28
20
12
28
20
12
–
–
–
4
–
–
–
4
RXDATA
TXDATA
27
19
11
27
19
11
–
–
–
3
–
–
–
3
26
18
10
26
18
10
–
–
–
2
–
–
–
2
25
17
25
17
–
–
9
–
1
–
–
9
–
1
6222F–ATARM–14-Jan-11
24
16
24
16
–
–
8
–
0
–
–
8
–
0
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