| 전자부품 데이터시트 검색엔진 |
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HC705RC16GRS/D 데이터시트(PDF) 86 Page - NXP Semiconductors |
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HC705RC16GRS/D 데이터시트(HTML) 86 Page - NXP Semiconductors |
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86 / 120 page ![]() EPROM General Release Specification MC68HC705RC16 — Rev. 3.0 EPROM 10.4.2 Programming Register This register is used to program the EPROM array. Only the LATCH and EPGM bits are available in user mode. To program a byte of EPROM, set LATCH, then write data to the desired address, then set EPGM for tEPGM. LATCH — EPROM Latch Control READ: Any time WRITE: Any time 1 = EPROM address and data bus configured for programming. Causes address and data bus to be latched when a write to EPROM is done. EPROM cannot be read if LATCH = 1. 0 = EPROM address and data bus configured for normal reads EPGM — EPROM Program Control READ: Any time WRITE: Any time security is not set 1 = VPP switched on to the EPROM array. If LATCH = 1, EPGM switches programming power to the EPROM array. 0 = Programming power switched off the EPROM array Address: $001E Bit 7 654321 Bit 0 Read: RRRRR LATCH R EPGM Write: Reset: 00000000 R = Reserved Figure 10-3. Programming Register (PROG) Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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