UPD178016 datasheet(19/56 Pages) NEC

19 / 56 page

µPD178004, 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

—

Serial Interface Channel 0

(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

—

I2C Bus Mode

—

(MSB first)

Tap

Selector

INTAD

VDD

INTP3

Internal Bus

GND

A/D Conversion

Result Register (ADCR)

Control

Circuit

Succesive Approximation

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

UPD178016 Datasheet(PDF) 19 Page - NEC

UPD178016 Datasheet(HTML) 19 Page - NEC

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56

Datasheet Download

Link URL