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參數(shù)資料
| 型號(hào)： | UPD78324 |
| 廠(chǎng)商： | NEC Corp. |
| 英文描述： | 16/8-BIT SINGLE-CHIP MICROCONTROLLER |
| 中文描述： | 16/8-BIT單片機(jī) |
| 文件頁(yè)數(shù)： | 37/86頁(yè) |
| 文件大小： | 454K |
| 代理商： | UPD78324 |
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37
μ
PD78323, 78324
3.8
A/D CONVERTER
The
μ
PD78324 incorporates a high-speed, high-resolution 10-bit analog/digital (A/D) converter. This A/D converter is
equipped with eight analog inputs (AN0 to AN7) and A/D conversion result register (ADCR) which holds the conversion
results. Upon termination of conversion, the interrupt which can start the macro service is generated.
Figure 3-5. A/D Converter Block Diagram
3.9
SERIAL INTERFACE
The
μ
PD78324 is equipped with the following two independent channels for the serial interface function.
Asynchronous serial interface
Clock synchronous serial interface
3-wire serial I/O mode
Serial bus interface mode (SBI mode)
Since the
μ
PD78324 incorporates a baud rate generator, it can set any serial transfer rate irrespective of the operating
frequency. The baud rate generator functions for the 2-channel serial interface.
The serial transfer rate can be selected from 75 bps to 19.2 Kbps by setting the mode register.
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
I
ADM (8)
Internal Bus
8
Sample & Hold Circuit
Comparator
SAR (10)
D/A Converter
ADCR (10)
10
Internal Bus
AV
REF
AV
SS
10
10
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