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DM163006 датащи(PDF) 69 Page - Microchip Technology |
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DM163006 датащи(HTML) 69 Page - Microchip Technology |
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69 / 320 page ![]() 2001 Microchip Technology Inc. Advance Information DS39541A-page 69 PIC18C601/801 5.3.4 16-BIT MODE CONTROL SIGNALS Table 5-3 describes the 16-bit mode control signals for the PIC18C601/801. TABLE 5-3: PIC18C601/801 16-BIT MODE CONTROL SIGNALS 5.3.5 16-BIT MODE TIMING Figure 5-8 describes the 16-bit mode timing for the PIC18C601/801. FIGURE 5-8: 16-BIT MODE TIMING Name 18C601 16-bit Mode 18C801 16-bit Mode Function RG0/ALE ALE ALE Address Latch Enable (ALE) control pin RG1/OE OE OE Output Enable (OE) control pin RG2/WRL WRL WRL Write Low (WRL) control pin RG3/WRH WRH WRH Write High (WRH) control pin RG4/BA0 BA0 BA0 Byte address bit 0 RF3/CSIO CSIO CSIO Chip Select I/O (See Section 5.4) RF4/CS2 N/A CS2 Chip Select 2 (See Section 5.4) RF5/CS1 CS1 CS1 Chip Select 1 (See Section 5.4) RF6/UB UB UB Upper Byte Enable (UB) control pin RF7/LB LB LB Lower Byte Enable (LB) control pin I/O I/O I/O I/O as BYTE/WORD control pin for JEDEC FLASH A16, AD<15:8> ALE OE AD<7:0> BA0 Opcode Fetch MOVLW 55h from 007556h Q1 Q2 Q3 Q4 03Ah 0E55h 3AABh WRH WRL ‘1’ ‘1’ |
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