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ML7005MB Datasheet(PDF) 22 Page - OKI electronic componets |
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ML7005MB Datasheet(HTML) 22 Page - OKI electronic componets |
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22 / 25 page  ¡ Semiconductor ML7005 22/24 Register Settings for Each Mode An example of register settings for each mode is shown below. Table 4 Register Setting Mode Power ON DTMF Detect (High Speed) CPT Detect Description (1) Wait until power supply is stabilized (2) PD pin = "1" (internal circuit is reset) (3) Wait 200 ms or more (4) PD pin = "0" (5) CR setting (1) Detect timing setting (2) STR monitoring (when not detected) (3) STR monitoring (when detected) (4) DTMF receive data reading (5) STR monitoring (when detected and after reading STR) (6) STR monitoring (after making the input signal OFF) (1) CPT detect enable setting (2) STR monitoring (when not detected) (3) STR monitoring (when detected) Address in Intel processor mode D1, D0 — — — — 10 10 11 11 01 11 11 10 11 11 ALE WR Motorola processor mode D3 D2 D1 D0 Active register — — — — 1 1 1 1 0 1 1 1 1 1 — — — — 0 0 1 1 1 1 1 0 1 1 — — — — X 0 1 0 X 0 1 0 1 1 — — — — X 1 0 0 X 0 0 0 0 0 — — — — X 0 0 0 X 0 0 1 0 1 — — — — X 0 0 1 X 0 0 0 0 1 — — — — CR CR STR STR DTMFR STR STR CR STR STR (4) STR monitoring (when detected and after reading STR) 11 1 1101 0 STR DTMF Transmit (1) DTMF transmit data setting 00 0 0 X X X X DTMFT (2) DTMF transmit ON 10 1 0000 1 CR (3) Wait transmit ON time — — ———— — — (4) DTMF transmit OFF 10 1 0000 0 CR (5) Wait transmit OFF time — — ———— — — (6) To transmit next data, return to (1) — — ———— — — CPT Transmit (1) CPT transmit ON 10 1 0100 0 CR (2) Wait transmit ON time — — ———— — — (3) CPT transmit OFF 10 1 0000 0 CR |
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