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LC87F74C8A датащи(PDF) 4 Page - Sanyo Semicon Device |
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LC87F74C8A датащи(HTML) 4 Page - Sanyo Semicon Device |
4 / 21 page LC87F74C8A No.7825-4/21 ■System clock divider • Low power consumption operation is available • Minimum instruction cycle time (300ns, 600ns, 1.2µs, 2.4µs, 4.8µs, 9.6µs, 19.2µs, 38.4µs, 76.8µs can be switched by program (when using 10MHz main clock) ■Standby function • HALT mode HALT mode is used to reduce power consumption. During the HALT mode, program execution is stopped but peripheral circuits keep operating (some parts of serial transfer operation stop.) 1. Oscillation circuits are not stopped automatically. 2. Released by the system reset or interrupts. • HOLD mode HOLD mode is used to reduce power consumption. Program execution and peripheral circuits are stopped. 1. CF, RC and crystal oscillation circuits stop automatically. 2. Released by any of the following conditions. 1. Low level input to the reset pin 2. Specified level input to one of INT0, INT1, INT2, INT4, INT5 3. Port 0 interrupt • X’tal HOLD mode X’tal HOLD mode is used to reduce power consumption. Program execution is stopped. All peripheral circuits except the base timer are stopped. 1. CF and RC oscillation circuits stop automatically. 2. Crystal oscillator operation is kept in its state at HOLD mode inception. 3. Released by any of the following conditions 1. Low level input to the reset pin 2. Specified level input to one of INT0, INT1, INT2, INT4, INT5 3. Port 0 interrupt 4. Base-timer interrupt ■Package • QIP100E • TQFP100 ■Development tools • Evaluation chip : LC876093 • Emulator : EVA62S + ECB876600 (Evaluation chip board) + SUB877400 + POD100QFP or POD100SQFP (Type B) : ICE-B877300 + SUB877400 + POD100QFP or POD100SQFP (Type B) • Flash ROM write adapter : W87FQ100 or W87FSQ100 ■Same package and pin assignment as mask ROM version. 1. LC877400 series options can be set using flash ROM data. Thus the board used for mass production can be used for debugging and evaluation without modifications. 2. If the program for the mask ROM version is used, the usable ROM/RAM capacity is the same as the mask ROM version. |
Аналогичный номер детали - LC87F74C8A |
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Аналогичное описание - LC87F74C8A |
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