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MPC89E53AF 数据表(PDF) 9 Page - Megawin Technology Co., Ltd |
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MPC89E53AF 数据表(HTML) 9 Page - Megawin Technology Co., Ltd |
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9 / 38 page ![]() Memory Organization 00-7F RAM, Access it via direct addressing 80-FF SFR, Access it via direct addressing 80-FF indirect on-chip RAM, Access it via indirect addressing 00-FF on-chip expanded RAM (256B), Access it via MOVX instruction 00- off-chip memory, enabled by setting ERAM=1 Address Space for MPC89x53A RAM 0000 ~ Program Memory 2C00-3BFF or 3400-3BFF or 3800-3BFF ISP program memory. (1KB, 2KB or 4KB ) depending on OR0[5:4] Address Space for MPC89x53A embedded Flash memory Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0 ISPAS1 ISPAS0 - MOVCL SB LOCK Non-volatile register OR0 7 6 5 4 3 2 1 0 FZWDTCR OSCDN HWBS EN6T Non-volatile register OR1 MEGAWIN MPC89x53A Data Sheet 9 |
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