UM0805 datasheet(16/29 Pages) STMICROELECTRONICS

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Switch settings

UM0805

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Doc ID 16304 Rev 3

Switch settings

9.1

Switch 1 (SoC functional configuration)

Table 7.

Switch 1 (SoC functional configuration)

Bit

Description

Test0 – see Debug configuration below

Test1 – see Debug configuration below

Test2 – see Debug configuration below

Test3 – see Functional configuration below

Test4 – see Functional configuration below

Test5 – see Functional configuration below

Table 8.

Switch 1 (debug configuration)

Test bit

Debug configuration

321

Normal Mode (No debug enabled)

ARM1 JTAG connected to J8

ARM2 JTAG connected to J8

ARM1 and ARM2 JTAG connected in daisy chain to J8

ARM1 JTAG connected to J8 and ARM2 JTAG connected to J18.

ARM1 ETM interface enabled. (J5)

ARM2 ETM interface enabled. (J5)

ARM1 and ARM2 ETM interface enabled. ARM1 on J5 and AMR2 on J6.

Table 9.

Switch 1 (functional configuration)

Test bit

Functional configuration

654

Default configuration

Nand Flash Interface disable (not usable on the board)

LCD interface disabled (not usable on the board)

GMAC interface disabled (not usable on the board)

FPGA interface enabled with clock and reset coming from FPGA to SPEAr

FPGA interface enabled with clock and reset coming from SPEAr to FPGA.

110

Reserved

111

Reserved

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