SAM7X128 Atmel Corporation, SAM7X128 Datasheet - Page 346

• Manufacturer Part Number: SAM7X128
• Manufacturer: Atmel Corporation

Specifications of SAM7X128

• Flash (kbytes): 128 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 55 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 62
• Ext Interrupts: 62
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 3
• Can: 1
• Ssc: 1
• Ethernet: 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
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

30.7.9
Name:
Access Type:
• CD: Clock Divider
• FP: Fractional Part
0: Fractional divider is disabled.
1 - 7: Baudrate resolution, defined by FP x 1/8.
346
1 to 65535
31
23
15
–
–
7
CD
0
SAM7X512/256/128
USART Baud Rate Generator Register
Baud Rate =
Selected Clock/16/CD
30
22
14
US_BRGR
Read-write
–
–
6
OVER = 0
29
21
13
–
–
5
SYNC = 0
Baud Rate =
Selected Clock/8/CD
USART_MODE
28
20
12
OVER = 1
–
–
4
CD
CD
Baud Rate Clock Disabled
≠
ISO7816
27
19
11
–
–
3
Baud Rate =
Selected Clock /CD
SYNC = 1
26
18
10
–
2
FP
25
17
–
9
1
Baud Rate = Selected
Clock/CD/FI_DI_RATIO
USART_MODE =
6120I–ATARM–06-Apr-11
ISO7816
24
16
–
8
0