SAM7S32 Atmel Corporation, SAM7S32 Datasheet - Page 47
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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12. Debug and Test Features
12.1
12.2
6175L–ATARM–28-Jul-11
Description
Block Diagram
The SAM7S Series Microcontrollers feature a number of complementary debug and test capabil-
ities. A common JTAG/ICE (EmbeddedICE) port is used for standard debugging functions, such
as downloading code and single-stepping through programs. The Debug Unit provides a two-pin
UART that can be used to upload an application into internal SRAM. It manages the interrupt
handling of the internal COMMTX and COMMRX signals that trace the activity of the Debug
Communication Channel.
A set of dedicated debug and test input/output pins gives direct access to these capabilities from
a PC-based test environment.
Figure 12-1. Debug and Test Block Diagram
PDC
Boundary
ARM7TDMI
TAP
DBGU
ICE
ICE/JTAG
TAP
Reset
and
Test
SAM7S Series
POR
TMS
TCK
TDI
JTAGSEL
TDO
DTXD
DRXD
TST
47
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