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參數(shù)資料
| 型號： | LC573914 |
| 文件頁數(shù)： | 2/13頁 |
| 文件大小： | 582K |
| 代理商： | LC573914 |
LC573914
No.6745-2/13
(5) LCD driver
Drivable LCD panel
1/2 bias 1/4 duty
1/2 bias 1/3 duty
1/2 bias 1/2 duty
STATIC
(Possible to use output port by mask option.)
- Built-in Step-up / Step-down circuit
Number of drivable LCD segment output
128 segments
96 segments
64 segments
32 segments
(6) Melody/Buzzer
- Melody function
[Note] The melody scale is set on the assumption that crystal oscillator is used.
The scale setting might slide when RC oscillator is used.
- Buzzer output
(7) Base timer
- 15-bit base timer for timekeeping
[Note] When RC oscillator is used, the RC oscillation becomes the source clock of base timer, and the clock operation
can not be used on this oscillation.
(8) HALT release
- Five vectors
1. 15-bit base timer
2. 15-bit base timer
3. S-port
4. P1-port
5. 1/10 second pulse
[Note] The time interval to release the HOLD mode of 1, 2 and 5 (indicated avobe) depend on the frequency of RC
oscillation.
(9) Stand-by mode
- HALT mode
The program operation will be stopped in this mode. This mode is released by system reset and 5 vectors for HALT
release above-mentioned.
(10) System reset
- RES terminal
- Reset by setting S1 to S4 terminals to “H” level simultaneously.
(The reset with switch S is enabled / disabled by mask option.)
(11) Oscillation
- RC oscillation
[Note] When RC oscillator is used, RCOUT terminal and OSCIN terminal have to connected externally.
(12) Power supply
- Ag-battery
: VDD1-VSS=1.20V to 1.65V, Step-up voltage (VDD2-VSS=2.4V to 3.3V)
(13) Shipping form
- Bare chip, QFP64
(14) The development tool
- Evaluation chip
: LC5797
- Emulator
: EVA520 + TB5739 + DCB-1A
Octave
Time of musical note
: 3 octaves
: specified by program
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