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| SN54HC4066J资料 | |
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SN54HC4066J PDF Download |
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File Size : 105 KB
Manufacturer:MOT Description:1.1 Program Memory Organization The TLC154/155 have a 9-bit Program Counter (PC) capable of addressing a 51213 program memory space. The TLC156 have a 10-bit Program Counter capable of addressing a 1K13 program memory space. The TLC157 have an 11-bit Program Counter capable of addressing a 2K13 program memory space. The RESET vector for the TLC154/155 is at 1FFh. The RESET vector for the TLC156 is at 3FFh. The RESET vector for the TLC157 is at 7FFh. The H/W interrupt vector is at 008h. And the S/W interrupt vector is at 002h. TLC157 has program memory size greater than 1K words, but the CALL and GOTO instructions only have a 10-bit address range. This 10-bit address range allows a branch within a 1K program memory page size. To allow CALL and GOTO instructions to address the entire 2K program memory address range for TLC157, there is another one bit to specify the program memory page. This paging bit comes from the PCHBUF<2> bit. When doing a CALL or GOTO instruction, the user must ensure that page bit PCHBUF<2> are programmed so that the desired program memory page is addressed. When one of the return instructions is executed, the entire 11-bit PC is POPed from the stack. Therefore, manipulation of the PCHBUF <2> is not required for the return instructions. |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：SN54HC4066J 厂 家：MOT 封 装：9636+ 批 号：10 数 量： 说 明： |
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