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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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ST7LITEUS2 Scheda tecnica(PDF) 24 Page - STMicroelectronics |
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ST7LITEUS2 Scheda tecnica(HTML) 24 Page - STMicroelectronics |
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24 / 136 page  Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) Central processing unit ST7LITEUS2, ST7LITEUS5 24/136 Figure 7. CPU registers 1. X = Undefined value 5.3.4 Condition Code register (CC) The 8-bit Condition Code register contains the interrupt mask and four flags representative of the result of the instruction just executed. This register can also be handled by the PUSH and POP instructions. These bits can be individually tested and/or controlled by specific instructions. Reset value: 111x1xxx ACCUMULATOR X INDEX REGISTER Y INDEX REGISTER STACK POINTER CONDITION CODE REGISTER PROGRAM COUNTER 70 1C 1 1 HI NZ RESET VALUE = RESET VECTOR @ FFFEh-FFFFh 70 70 70 0 7 15 8 PCH PCL 15 8 70 RESET VALUE = STACK HIGHER ADDRESS RESET VALUE = 1X 11 X 1 X X RESET VALUE = XXh RESET VALUE = XXh RESET VALUE = XXh 7 0 111 H I N Z C Read/Write Obsolete Product(s) - Obsolete Product(s) |
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