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HT98R068-1 Datasheet(PDF) 95 Page - Holtek Semiconductor Inc |
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HT98R068-1 Datasheet(HTML) 95 Page - Holtek Semiconductor Inc |
95 / 116 page Rev. 1.10 94 �e���a�� 1�� �01� Rev. 1.10 95 �e���a�� 1�� �01� HT98R068-1 Two Way Radio 8-Bit MCU HT98R068-1 Two Way Radio 8-Bit MCU ● VOX Threshold Low - 04CEh Address Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name VOX Th�eshold Low Bit15~0 VOX Threshold Low: VOX low level threshold. This register is used to set the VOX low level threshold voltage. The default value is 0x0088 (-17.78dBm@3.3V). To avoid mistaking an input signal for noise and switching off the transmission, the low level threshold is used to setup the turn off threshold. When the input signal is less than the threshold voltage, bit0 and bit 1 in the I/O command register address 29 will reply with 0x01. Otherwise these two bits will reply with 0x02 Refer to the application notes for detailed register setting. ● User CTCSS Tone_1/2 - 04D0h Address Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name Use� CTCSS – pa�amete�1 Bit15~0 User defined CTCSS tone parameter1. Refer to the application notes for detailed register setting. ● User CTCSS Tone_2/2 - 04D1h Address Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name Use� CTCSS – pa�amete�� Bit15~0 User defined CTCSS tone parameter2. Refer to the application notes for detailed register setting. User Defined CTCSS Tone frequency range: 67 Hz~275 Hz. Note: If it is necessary to a CTCSS tone by itself, 04d0 and 04d1must be used at the same time. ● CTCSS Frequency Accept Variance - 04D6 Address Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name — CTCSS ��eq. Bit15~3 Unimplemented, ignore this value. Bit2~0 CTCSS Freq. accept: CTCSS frequency accept variance. 3’b001: 0.595% ~ 1.975% 3’b010: 0.885% ~ 2.63% 3’b011: 1.195% ~ 3.01% 3’b100: 1.485% ~ 3.385% 3’b101: 1.77% ~ 3.545% 3’b110: 2.05% ~ 3.91% ● User Audio Tone_1/2 - 04D9h Address Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name Use�-Tone ��eq. – pa�amete�1 Bit15~0 User Tone Generator frequency parameter1 Refer to the application notes for detailed register setting. |
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