SAM7S32 Atmel Corporation, SAM7S32 Datasheet - Page 775

• Manufacturer Part Number: SAM7S32
• 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

6175L–ATARM–28-Jul-11
26 Debug Unit (DBGU) .............................................................................. 215
27 Parallel Input/Output Controller (PIO) ................................................ 239
28 Serial Peripheral Interface (SPI) ......................................................... 265
29 Two-wire Interface (TWI) SAM7S512/256/128/64/321/32 ................... 291
25.1
25.2
25.3
25.4
25.5
25.6
25.7
25.8
25.9
26.1
26.2
26.3
26.4
26.5
27.1
27.2
27.3
27.4
27.5
27.6
28.1
28.2
28.3
28.4
28.5
28.6
28.7
29.1
29.2
29.3
29.4
Description .....................................................................................................191
Master Clock Controller .................................................................................191
Processor Clock Controller ............................................................................192
USB Clock Controller .....................................................................................192
Peripheral Clock Controller ............................................................................192
Programmable Clock Output Controller .........................................................193
Programming Sequence ................................................................................193
Clock Switching Details .................................................................................197
Power Management Controller (PMC) User Interface ..................................200
Overview ........................................................................................................215
Block Diagram ...............................................................................................216
Product Dependencies ..................................................................................217
UART Operations ..........................................................................................217
Debug Unit (DBGU) User Interface ..............................................................224
Overview ........................................................................................................239
Block Diagram ...............................................................................................240
Product Dependencies ..................................................................................241
Functional Description ...................................................................................242
I/O Lines Programming Example ...................................................................246
Parallel Input/Output Controller (PIO) User Interface ....................................248
Overview ........................................................................................................265
Block Diagram ...............................................................................................266
Application Block Diagram .............................................................................266
Signal Description .........................................................................................267
Product Dependencies ..................................................................................267
Functional Description ...................................................................................268
Serial Peripheral Interface (SPI) User Interface User Interface .....................277
Overview ........................................................................................................291
List of Abbreviations ......................................................................................291
Block Diagram ...............................................................................................292
Application Block Diagram .............................................................................292
SAM7S Series
775