SAM7S32 Atmel Corporation, SAM7S32 Datasheet - Page 70
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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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13.4.2
Register Name:
Access Type:
• URSTS: User Reset Status
0 = No high-to-low edge on NRST happened since the last read of RSTC_SR.
1 = At least one high-to-low transition of NRST has been detected since the last read of RSTC_SR.
• BODSTS: Brownout Detection Status
0 = No brownout high-to-low transition happened since the last read of RSTC_SR.
1 = A brownout high-to-low transition has been detected since the last read of RSTC_SR.
• RSTTYP: Reset Type
Reports the cause of the last processor reset. Reading this RSTC_SR does not reset this field.
• NRSTL: NRST Pin Level
Registers the NRST Pin Level at Master Clock (MCK).
• SRCMP: Software Reset Command in Progress
0 = No software command is being performed by the reset controller. The reset controller is ready for a software command.
1 = A software reset command is being performed by the reset controller. The reset controller is busy.
70
0
0
0
1
1
31
23
15
–
–
–
7
–
RSTTYP
SAM7S Series
Reset Controller Status Register
0
1
1
0
0
0
0
1
0
1
30
22
14
–
–
–
6
–
RSTC_SR
Read-only
Reset Type
Power-up Reset
Watchdog Reset
Software Reset
User Reset
Brownout Reset
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
Comments
VDDCORE rising
Watchdog fault occurred
Processor reset required by the software
NRST pin detected low
BrownOut reset occurred
27
19
11
–
–
–
3
–
26
18
10
–
–
2
–
BODSTS
RSTTYP
SRCMP
25
17
–
9
1
6175L–ATARM–28-Jul-11
URSTS
NRSTL
24
16
–
8
0
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