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SPEAR1340 датащи(PDF) 105 Page - STMicroelectronics

номер детали SPEAR1340
подробное описание детали  Dual-core Cortex A9 HMI embedded MPU
PDF  200 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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SPEAR1340 датащи(HTML) 105 Page - STMicroelectronics

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SPEAr1340
Pin description
Doc ID 023063 Rev 4
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3.5.3
Clocks and resets
3.5.4
Debug interface
Note:
1
The ARM Trace ports are enabled via the miscellaneous registers.
2
For ARM JTAG mode, the TEST[4:0] pins should be set to “00001” at power-up. For
functional mode, the same pins should be set to “00000”.
3
When the 2V5 power supply is not present on the OTP supply ball, the JTAG debug features
are not available on the device.
Table 13.
Main clock and reset pins descriptions
Signal name
Description
Type
Ball
MCLK_XI
Master clock (MCLK) 24 MHz (typical) crystal in
OSC
A7
MCLK_XO
Master clock (MCLK) 24 MHz (typical) crystal out
A8
RTC_XI
Real-time clock (RTC) 32 kHz crystal in
OSC
B1
RTC_XO
Real-time clock (RTC) 32 kHz crystal out
A1
MRESETn
Main reset
IOTYP
E1
AF15
Table 14.
Debug pins description
Signal name
Description
Type
Ball
ARM_TRSTn
Test reset input
I
AE15
ARM_TCK
Test trace clock
I
AD16
ARM_TDI
Test trace data input
I
AD15
ARM_TMS
Test trace mode select
I
AE16
ARM_TDO
Test trace data output
IO
AF16



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