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RM0090: Reference manual - STMicroelectronics

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Debug support (DBG) <strong>RM0090</strong><br />

Figure 426. JTAG TAP connections<br />

NJTRST<br />

JTMS<br />

JTDI<br />

JTDO<br />

STM32F4xxx<br />

SW-DP<br />

Selected<br />

TMS nTRST<br />

Boundary scan<br />

TAP<br />

1373/1416 Doc ID 018909 Rev 3<br />

TMS nTRST<br />

TDI TDO TDI TDO<br />

Cortex_M4F TAP<br />

IR is 5-bit wide IR is 4-bit wide<br />

MS19929V1

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