參數(shù)資料
型號(hào): UPD178004
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 19/56頁
文件大?。?/td> 304K
代理商: UPD178004
19
μ
PD178004, 178006, 178016, 178018
5.5 A/D CONVERTER
An A/D converter of 8-bit resolution
×
6 channels is incorporated.
The following two types of the A/D conversion operation start-up methods are available.
Hardware start
Software start
Figure 5-7. A/D Converter Block Diagram
5.6 SERIAL INTERFACES
2 channels of the clocked serial interface are incorporated.
Serifal interface channel 0
Serifal interface channel 1
Table 5-2. Types and Functions of Serial Interface
3-wire serial I/O mode
Function
Serial Interface Channel 1
(MSB/LSB first switchable)
Serial Interface Channel 0
(MSB/LSB first switchable)
(MSB/LSB first switchable)
3-wire serial I/O mode with automatic
transmission/ reception function
SBI (serial bus interface) mode
2-wire serial I/O mode
I
2
C Bus Mode
(MSB first)
(MSB first)
(MSB first)
Tap
Selector
INTAD
V
DD
INTP3
Internal Bus
GND
A/D Conversion
Result Register (ADCR)
Control
Circuit
Succesive Approximation
Register (SAR)
Edge
Detection
Circuit
ANI0/P10
ANI1/P11
ANI2/P12
ANI3/P13
ANI4/P14
ANI5/P15
INTP3/P03
Selector
Sample & Hold Circuit
Voltage Comparator
Resistor String
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