SAM7S32 Atmel Corporation, SAM7S32 Datasheet - Page 417
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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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Table 32-3.
6175L–ATARM–28-Jul-11
Transmitter
SSC_TFMR
SSC_TFMR
SSC_TFMR
SSC_TFMR
SSC_TFMR
SSC_TFMR
SSC_TCMR
SSC_TCMR
Data Frame Registers
Receiver
SSC_RFMR
SSC_RFMR
SSC_RFMR
SSC_RFMR
SSC_RCMR
SSC_RCMR
Figure 32-13. Transmit and Receive Frame Format in Edge/Pulse Start Modes
Note:
Figure 32-14. Transmit Frame Format in Continuous Mode
(If FSDEN = 0)
(If FSDEN = 1)
TF/RF
1. Example of input on falling edge of TF/RF.
TD
RD
TD
Start
(1)
Field
DATLEN
DATNB
MSBF
FSLEN
DATDEF
FSDEN
PERIOD
STTDLY
From SSC_TSHR
To SSC_RSHR
Sync Data
Sync Data
FSLEN
TD
From DATDEF
STTDLY
Start: 1. TXEMPTY set to 1
Default
FromDATDEF
2. Write into the SSC_THR
Length
Up to 32
Up to 16
Up to 16
0 or 1
Up to 512
Up to 255
From SSC_THR
Default
Ignored
Start
DATLEN
Data
From SSC_THR
From SSC_THR
To SSC_RHR
DATLEN
Data
Data
Data
PERIOD
From SSC_THR
DATLEN
Comment
Size of word
Number of words transmitted in frame
Most significant bit first
Size of Synchro data register
Data default value ended
Enable send SSC_TSHR
Frame size
Size of transmit start delay
Data
DATNB
From SSC_THR
From SSC_THR
To SSC_RHR
DATLEN
Data
Data
Data
Default
SAM7S Series
FromDATDEF
Default
Ignored
Start
From DATDEF
Default
Sync Data
Sync Data
417
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