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EM73P461 Datasheet(PDF) 18 Page - ELAN Microelectronics Corp |
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EM73P461 Datasheet(HTML) 18 Page - ELAN Microelectronics Corp |
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18 / 38 page  18 * This specification are subject to be changed without notice. EM73P461A EM73P461A EM73P461A EM73P461A EM73P461A 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT 12.27.2001 Preliminary Preliminary Preliminary Preliminary Preliminary IDME SIDR IDME Enable IDLE mode SIDR Select IDLE releasing condition 0 1 Enable IDLE mode 0 0 P0(0..3), P8(0..3) pin input * * Reserved 0 1 P0(0..3), P8(0..3) pin input and 1 sec signal 1 0 P0(0..3), P8(0..3) pin input and 0.5 sec signal 1 1 P0(0..3), P8(0..3) pin input and 15.625 ms signal STOP OPERATION MODE STOP OPERATION MODE STOP OPERATION MODE STOP OPERATION MODE STOP OPERATION MODE The STOP operation mode suspends system operation and holds the internal status immediately before the suspension with low power consumption. This mode will be released by reset or I/O pins (P0(0..3)/ WAKEUP 0..3 or P8(0..3)/WAKEUP A..D). LCD display and high speed timer/counter with melody output are disabled in the mode. TIME BASE INTERRUPT ( TBI ) TIME BASE INTERRUPT ( TBI ) TIME BASE INTERRUPT ( TBI ) TIME BASE INTERRUPT ( TBI ) TIME BASE INTERRUPT ( TBI ) The time base can be used to generate a fixed frequency interrupt. There are 8 kinds of frequencies can be selected by setting P25. P25 3 2 1 0 i nitial value : 0000 P25 NORMAL operation mode SLOW operation mode 0 0 x x Interrupt disable Interrupt disable 0 1 0 0 Interrupt frequency LXIN / 23 Hz Reserved 0 1 0 1 Interrupt frequency LXIN / 24 Hz Reserved 0 1 1 0 Interrupt frequency LXIN / 25 Hz Reserved 0 1 1 1 Interrupt frequency LXIN / 214 Hz Interrupt frequency LXIN / 214 Hz 1 1 0 0 Interrupt frequency LXIN / 21 Hz Reserved 1 1 0 1 Interrupt frequency LXIN / 26 Hz Interrupt frequency LXIN / 26 Hz 1 1 1 0 Interrupt frequency LXIN / 28 Hz Interrupt frequency LXIN / 28 Hz 1 1 1 1 Interrupt frequency LXIN / 210 Hz Interrupt frequency LXIN / 210 Hz 1 0 x x Reserved Reserved TIMER / COUNTER ( TIMERA, TIMERB ) TIMER / COUNTER ( TIMERA, TIMERB ) TIMER / COUNTER ( TIMERA, TIMERB ) TIMER / COUNTER ( TIMERA, TIMERB ) TIMER / COUNTER ( TIMERA, TIMERB ) Timer/counters can support user three special functions: 1. Even counter 2. Timer. 3. Pulse-width measurement. P16 3 210 Initial value : 0000 SPME SWWT SPME Enable STOP mode SWWT Set wake-up warm-up time 0 1 Enable STOP mode 0 0 wait normal frequency ready (26/fc) * * Reserved 0 1 wait slow frequency ready (214/fs) 1 0 Reserved 1 1 Reserved P19 32 10 Initial value : 0000 |
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