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H8S2320 Datasheet(PDF) 8 Page - Renesas Technology Corp |
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H8S2320 Datasheet(HTML) 8 Page - Renesas Technology Corp |
8 / 1302 page Rev.6.00 Sep. 27, 2007 Page viii of xxx REJ09B0220-0600 Item Page Revision (See Manual for Details) 1.3.1 Pin Arrangement Figure 1.8 HD64F2329B Pin Arrangement (FP- 128B: Top View) 15 Figure added 1.3.3 Pin Functions Table 1.3 Pin Functions 26 Table amended MD2 MD1 MD0 Operating Mode 0 0 1 — 1 0 Mode 2* 1 1 Mode 3* 1 1 0 0 Mode 4* 2 1 Mode 5* 2 1 0 Mode 6 1 Mode 7 6.3.5 Chip Select Signals 169 Description amended Enabling or disabling of the CSn signal is performed by setting the data direction register (DDR) for the port corresponding to the particular CSn pin and either the CS167 enable bit (CS167E) or the CS25 enable bit (CS25E). In ROM-disabled expansion mode, the CS0 pin is placed in the output state after a power-on reset. Pins CS1 to CS7 are placed in the input state after a power-on reset, so the corresponding DDR bits, and CS167E or CS25E, should be set to 1 when outputting signals CS1 to CS7. In ROM-enabled expansion mode, pins CS0 to CS7 are all placed in the input state after a power-on reset, so the corresponding DDR bits, and CS167E or CS25E, should be set to 1 when outputting signals CS0 to CS7. |
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