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R1QGA3636CBG 数据表(PDF) 26 Page - Renesas Technology Corp |
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R1QGA3636CBG 数据表(HTML) 26 Page - Renesas Technology Corp |
26 / 38 page PAGE : 26 Rev. 0.09a : 2011.09.14 R1QGA36**CB* / R1QKA36**CB* Series JTAG Specification These products support a limited set of JTAG functions as in IEEE standard 1149.1. Disabling the Test Access Port It is possible to use this device without utilizing the TAP. To disable the TAP controller without interfering with normal operation of the device, TCK must be tied to V SS to preclude mid level inputs. TDI and TMS are internally pulled up and may be unconnected, or may be connected to VDD through a pull up resistor. TDO should be left unconnected. 1R 11R 10R 2R Pin assignments Test mode select. This is the command input for the TAP controller state machine. TMS Test data input. This is the input side of the serial registers placed between TDI and TDO. The register placed between TDI and TDO is determined by the state of the TAP controller state machine and the instruction that is currently loaded in the TAP instruction. TDI Test data output. Output changes in response to the falling edge of TCK. This is the output side of the serial registers placed between TDI and TDO. TDO Test Access Port (TAP) Pins Notes: The device does not have TRST (TAP reset). The Test-Logic Reset state is entered while TMS is held high for five rising edges of TCK. The TAP controller state is also reset on SRAM POWER-UP. Notes Test clock input. All inputs are captured on the rising edge of TCK and all outputs propagate from the falling edge of TCK. TCK Description Symbol I/O Common R10DS0161EJ0009 |
类似零件编号 - R1QGA3636CBG |
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类似说明 - R1QGA3636CBG |
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