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參數(shù)資料
| 型號： | MSM64164C-XXX |
| 廠商： | LAPIS SEMICONDUCTOR CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 0.4 MHz, MICROCONTROLLER, UUC80 |
| 封裝： | DIE |
| 文件頁數(shù)： | 30/42頁 |
| 文件大小： | 318K |
| 代理商： | MSM64164C-XXX |
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Semiconductor
MSM64164C
FUNCTIONAL DESCRIPTION
A/D converter (ADC)
The MSM64164C has a built-in 2-channel RC oscillation type A/D converter. The A/D converter
is composed of a 2-channel oscillation circuit, Counter A (CNTA0-4, a 4.8-digit decade counter),
Counter B (CNTB0-3, a 14-bit binary counter), and A/D Converter Control Registers 0 and 1
(ADCON0, ADCON1).
By counting oscillation frequencies that vary depending on a resistor or capacitor connected to
the RC oscillation circuit, the A/D converter converts resistance values or capacitance values to
corresponding digital values. By using a thermistor or humidity sensor as a resistance, a
thermometer or a hygrometer can be constructed. By applying a separate sensor to each channel
of the 2-channel RC oscillation circuit, it is also possible to extend measure ranges or measure at
two places.
Serial port (SIOP)
The MSM64164C has an 8-bit synchronous serial port. Receive/transmit operation of the serial
port is performed simultaneously and the serial transfer clock can select either internal or
external mode. Direction of transfer data can be big endian or little endian. Each pin of the serial
port is assigned as secondary functions of P3.3 and P4.0 to P4.2. Setting each bit of SIN, SOUT,
SPR and SCLK of P33CON and P40CON to P42CON to "1" makes each pin valid.
LCD driver (LCD)
The MSM64164C has a built-in LCD driver for 34 outputs.
The LCD driver consists of 31 4-bit display registers (DSPR0-30), the Display Control Register
(DSPCON), a 34-output LCD driver circuit, and a bias generation circuit (BIAS).
There are three types of driving methods: 1/4 duty, 1/3 duty and 1/2 duty. Software selects the
duty mode.
A mask option can select either a common driver or a segment driver for each LCD driver pin.
A mask option can also specify assignment of each bit of the display register to each segment.
All the display registers must be selected by a mask option.
L26 to L33 of the LCD driver can be configured to be output ports by a mask option.
The relationship between the duty, the bias method, and the maximum segment number follows:
1/4 duty 1/3 bias method ------- 120 segments
1/3 duty 1/3 bias method ------- 93 segments
1/2 duty 1/2 bias method ------- 64 segments
Buzzer driver (BD)
The MSM64164C has a built-in buzzer driver with 15 buzzer output frequencies and 4 buzzer
output modes. Each buzzer output is selected by the Buzzer Control Register (BDCON) and the
Buzzer Frequency Control Register (BFCON).
Capture circuit (CAPR)
The MSM64164C captures 32 Hz to 256 Hz output of the time base counter at the falling of Port
0.0 or 0.1 (P0.0 or P0.1) to "L" level when the pull-up resistor input is chosen, or at the rising to
"H" level when the pull-down resistor input is chosen. The capture circuit is composed of the
Capture Control Register (CAPCON) and the Capture Registers (CAPR0, CAPR1) that fetch
output from the time base counter.
相關(guān)PDF資料 |
PDF描述 |
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| MSM64164C-XXXGS-BK | 4-BIT, MROM, 0.4 MHz, MICROCONTROLLER, PQFP80 |
| MSM64167-XXX | 4-BIT, MROM, 0.7 MHz, MICROCONTROLLER, UUC80 |
| MSM6442-XXGS-BK | 4-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQFP80 |
| MSM6442-XXGS-K | 4-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQFP80 |
| MSM64431-GS-K | 4-BIT, MROM, MICROCONTROLLER, PDSO24 |
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