SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 435

• Manufacturer Part Number: SAM7SE256
• Manufacturer: Atmel Corporation

Specifications of SAM7SE256

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 48 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 88
• Ext Interrupts: 88
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 3
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

33.7.12
Name:
Access:
Reset Value :
• FI_DI_RATIO: FI Over DI Ratio Value
0: If ISO7816 mode is selected, the Baud Rate Generator generates no signal.
1 - 2047: If ISO7816 mode is selected, the Baud Rate is the clock provided on SCK divided by FI_DI_RATIO.
33.7.13
Name:
Access:
• NB_ERRORS: Number of Errors
Total number of errors that occurred during an ISO7816 transfer. This register automatically clears when read.
6222F–ATARM–14-Jan-11
31
23
15
31
23
15
–
–
–
7
–
–
–
7
USART FI DI RATIO Register
USART Number of Errors Register
30
22
14
30
22
14
US_FIDI
Read/Write
0x174
–
–
–
6
US_NER
Read-only
–
–
–
6
29
21
13
29
21
13
–
–
–
5
–
–
–
5
28
20
12
28
20
12
–
–
–
4
–
–
–
4
NB_ERRORS
FI_DI_RATIO
27
19
11
27
19
11
–
–
–
3
–
–
–
3
26
18
10
26
18
10
–
–
2
–
–
–
2
SAM7SE512/256/32
FI_DI_RATIO
25
17
25
17
–
–
9
1
–
–
9
–
1
24
16
24
16
–
–
8
0
–
–
8
–
0
435