參數(shù)資料
型號(hào)： μPD78064B
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8 Bit Single Chip Microcontrollers
中文描述： 8位單片機(jī)微控制器
文件頁數(shù)： 23/64頁
文件大?。?/td> 391K
代理商： ΜPD78064B
23
μ
PD78064B
5.6
A/D Converter
Eight 8-bit resolution A/D converter channels are incorporated.
The following two types of start-up method are available.
Hardware start
Software start
Figure 5-8. A/D Converter Block Diagram
Caution
For pins which also function as port pins (refer to 3.1 Port Pins), do not perform the following
operations during A/D conversion. If these operations are performed, the total error ratings cannot
be kept (except for LCD segment output alternate-function pin).
<1> Rewrite the output latch while the pin is used as a port pin.
<2> Change the output level of the pin used as an output pin, even if it is not used as a port pin.
5.7
Serial Interface
Two clocked serial interface channels are incorporated.
Serial interface channel 0
Serial interface channel 2
Table 5-3. Serial Interface Types and Functions
Function
Serial Interface Channel 0
Serial Interface Channel 2
3-wire serial I/O mode
SBI (serial bus interface) mode
2-wire serial I/O mode
Asynchronous serial interface
(UART) mode
Yes (MSB/LSB-first switchable)
Yes (MSB-first)
Yes (MSB-first)
No
Yes (MSB/LSB-first switchable)
No
No
Yes (Dedicated baud rate generator
incorporated)
ANI0/P10
ANI1/P11
ANI2/P12
ANI3/P13
ANI4/P14
ANI5/P15
ANI6/P16
ANI7/P17
AV
DD
AV
REF
AV
SS
INTAD
INTP3
Selec-
tor
Sample & Hold Circuit
INTP3/P03
Voltage Comparator
Series Resistor String
Tap
Selec-
tor
Successive Approximation
Register (SAR)
Control
Circuit
Edge
Detector
A/D Conversion Result
Register (ADCR)
Internal Bus
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