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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TC9447F Fiches technique(PDF) 10 Page - Toshiba Semiconductor |
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TC9447F Fiches technique(HTML) 10 Page - Toshiba Semiconductor |
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10 / 44 page  TC9447F 2002-02-05 10 (1-4) Monitor mode Monitor mode is used to monitor the data bus or pointers. There are two further modes: a mode where the data bus or pointer (s) is monitored at a preset program counter (PC) and a mode where a loop counter (LC) is added to monitor conditions in addition to the PC. After the command is issued, when the TC9447F loads data to the IFDO register (IFDOR), the IFOK pin signal is set to Low (see (1) above). Next, when the IFCK signal is sent, the data are output on the IFCK signal falling edge starting from the MSB. The data length is at its maximum (24 bits or three bytes) during monitoring of the data bus. In cases where transfer must be interrupted, such as where only eight or 16 bits of the MSB side are required, monitoring can be interrupted at any time by setting the CS signal to High. When the CS signal goes High, the IFOK signal also goes High. When CS = H, all monitor circuits are initialized. |
Numéro de pièce similaire - TC9447F |
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Description similaire - TC9447F |
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