SAM9R64 Atmel Corporation, SAM9R64 Datasheet - Page 221
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SAM9R64
Manufacturer Part Number
SAM9R64
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.SAM9260.pdf
(290 pages)
3.SAM9261.pdf
(248 pages)
4.SAM9R64.pdf
(903 pages)
5.SAM9R64.pdf
(52 pages)
Specifications of SAM9R64
Flash (kbytes)
0 Kbytes
Pin Count
144
Max. Operating Frequency
240 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
49
Ext Interrupts
49
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device
Spi
1
Twi (i2c)
1
Uart
5
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
3
Adc Resolution (bits)
10
Adc Speed (ksps)
220
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
64
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.08 to 1.32
Fpu
No
Mpu / Mmu
No / Yes
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
3
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- M40800 PDF datasheet
- SAM9260 PDF datasheet #2
- SAM9261 PDF datasheet #3
- SAM9R64 PDF datasheet #4
- SAM9R64 PDF datasheet #5
- Current page: 221 of 284
- Download datasheet (2Mb)
B.1
B.1.1
ARM DDI 0029G
Scan chains and JTAG interface
Scan chain implementation
There are three JTAG-style scan chains within the ARM7TDMI core. These enable
debugging and configuration of EmbeddedICE Logic.
A JTAG style Test Access Port (TAP) controller controls the scan chains. For further
details of the JTAG specification, refer to IEEE Standard 1149.1 - 1990 Standard Test
Access Port and Boundary-Scan Architecture.
In addition, support is provided for an optional fourth scan chain. This is intended to be
used for an external boundary-scan chain around the pads of a packaged device. The
control signals provided for this scan chain are described in Scan chain 3 on page B-20.
The scan cells are not fully JTAG compliant.
The following sections describe:
•
•
The three scan paths are referred to as:
1.
2.
3.
The scan chains are shown in Figure B-1 on page B-4.
Scan chain implementation on page B-3
TAP state machine on page B-5.
Scan chain 0 on page B-4
Scan chain 1 on page B-4
Scan chain 2 on page B-4.
Note
Copyright © 1994-2001. All rights reserved.
Debug in Depth
B-3
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