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C8051F360 Datasheet(PDF) 95 Page - Silicon Laboratories |
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C8051F360 Datasheet(HTML) 95 Page - Silicon Laboratories |
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95 / 288 page  Rev. 1.0 95 C8051F360/1/2/3/4/5/6/7/8/9 SFR Definition 9.3. SFRNEXT: SFR Next Register Bits 7–0: SFR Page Stack Bits: SFR page context is retained upon interrupts/return from interrupts in a 3 byte SFR Page Stack: SFRPAGE is the first entry, SFRNEXT is the second, and SFR- LAST is the third entry. The SFR stack bytes may be used alter the context in the SFR Page Stack, and will not cause the stack to ‘push’ or ‘pop’. Only interrupts and return from inter- rupts cause pushes and pops of the SFR Page Stack. Write: Sets the SFR Page contained in the second byte of the SFR Stack. This will cause the SFRPAGE SFR to have this SFR page value upon a return from interrupt. Read: Returns the value of the SFR page contained in the second byte of the SFR stack. This is the value that will go to the SFR Page register upon a return from interrupt. SFR Page: SFR Address: all pages 0x85 R/W R/W R/W R/W R/W R/W R/W R/W Reset Value 00000000 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 SFR Definition 9.4. SFRLAST: SFR Last Register Bits 7–0: SFR Page Stack Bits: SFR page context is retained upon interrupts/return from interrupts in a 3 byte SFR Page Stack: SFRPAGE is the first entry, SFRNEXT is the second, and SFR- LAST is the third entry. The SFR stack bytes may be used alter the context in the SFR Page Stack, and will not cause the stack to ‘push’ or ‘pop’. Only interrupts and return from inter- rupts cause pushes and pops of the SFR Page Stack. Write: Sets the SFR Page in the last entry of the SFR Stack. This will cause the SFRNEXT SFR to have this SFR page value upon a return from interrupt. Read: Returns the value of the SFR page contained in the last entry of the SFR stack. SFR Page: SFR Address: all pages 0x86 R/W R/W R/W R/W R/W R/W R/W R/W Reset Value 00000000 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 |
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