SAM7S32 Atmel Corporation, SAM7S32 Datasheet - Page 533
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SAM7S32
Manufacturer Part Number
SAM7S32
Description
Manufacturer
Atmel Corporation
Specifications of SAM7S32
Flash (kbytes)
32 Kbytes
Pin Count
48
Max. Operating Frequency
55 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
21
Ext Interrupts
21
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Uart
2
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)
8
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
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
no / no
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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35.6.12
Register Name:
Access Type:
WARNING: The UDP peripheral clock in the Power Management Controller (PMC) must be enabled before any read/write
operations to the UDP registers including the UDP_TXCV register.
• TXVDIS: Transceiver Disable
When UDP is disabled, power consumption can be reduced significantly by disabling the embedded transceiver. This can
be done by setting TXVDIS field.
To enable the transceiver, TXVDIS must be cleared.
NOTE: If the USB pullup is not connected on DP, the user should not write in any UDP register other than the UDP_ TXVC
register. This is because if DP and DM are floating at 0, or pulled down, then SE0 is received by the device with the conse-
quence of a USB Reset.
6175L–ATARM–28-Jul-11
31
23
15
–
–
–
7
–
UDP Transceiver Control Register
30
22
14
UDP_ TXVC
Read-write
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
–
SAM7S Series
25
17
–
–
9
–
1
–
TXVDIS
24
16
–
–
8
0
–
533
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