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1 | /* 85c30.h |
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2 | * |
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3 | * This include file contains z85c30 chip information. |
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4 | * |
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5 | * COPYRIGHT (c) 1989-1999. |
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6 | * On-Line Applications Research Corporation (OAR). |
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7 | * |
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8 | * The license and distribution terms for this file may in |
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9 | * the file LICENSE in this distribution or at |
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10 | * http://www.rtems.com/license/LICENSE. |
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11 | * |
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12 | * $Id: |
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13 | */ |
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14 | |
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15 | #ifndef __85c30_H |
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16 | #define __85c30_H |
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17 | |
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18 | /* |
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19 | * Clock Speed Definations |
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20 | */ |
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21 | |
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22 | #define Z8530_x1_CLOCK 0x00 |
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23 | #define Z8530_x16_CLOCK 0x40 |
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24 | #define Z8530_x32_CLOCK 0x80 |
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25 | #define Z8530_x64_CLOCK 0xC0 |
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26 | |
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27 | /* |
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28 | * Number of Stop Bits. |
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29 | */ |
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30 | #define Z8530_STOP_BITS_1 0x04 |
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31 | #define Z8530_STOP_BITS_1_AND_A_HALF 0x08 |
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32 | #define Z8530_STOP_BITS_2 0x0C |
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33 | |
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34 | /* |
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35 | * PARITY |
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36 | */ |
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37 | #define Z8530_PARITY_NONE 0x00 |
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38 | #define Z8530_PARITY_ODD 0x01 |
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39 | #define Z8530_PARITY_EVEN 0x03 |
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40 | |
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41 | /* |
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42 | * Character Bits |
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43 | */ |
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44 | #define Z8530_READ_CHARACTER_BITS_8 0xC0 |
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45 | #define Z8530_READ_CHARACTER_BITS_7 0x40 |
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46 | #define Z8530_READ_CHARACTER_BITS_6 0x80 |
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47 | #define Z8530_READ_CHARACTER_BITS_5 0x00 |
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48 | |
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49 | #define Z8530_WRITE_CHARACTER_BITS_8 0x60 |
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50 | #define Z8530_WRITE_CHARACTER_BITS_7 0x20 |
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51 | #define Z8530_WRITE_CHARACTER_BITS_6 0x40 |
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52 | #define Z8530_WRITE_CHARACTER_BITS_5 0x00 |
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53 | |
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54 | #endif |
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