PD178004A_15 Datasheet, PDF (21/58 Pages) Renesas Technology Corp – PD178004A_15

µPD178004A, 178006A, 178016A, 178018A
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
ANI0/P10
ANI1/P11
ANI2/P12
ANI3/P13
ANI4/P14
ANI5/P15
Sample & Hold Circuit
Resistor String
Voltage Comparator
Selector
Tap
Selector
Succesive Approximation
Register (SAR)
INTP3/P03
Edge
Detection
Circuit
Control
Circuit
A/D Conversion
Result Register (ADCR)
Internal Bus
VDD
GND
INTAD
INTP3
5.6 SERIAL INTERFACES
2 channels of the clocked serial interface are incorporated.
• Serial interface channel 0
• Serial interface channel 1
Table 5-2. Types and Functions of Serial Interface
Function
3-wire serial I/O mode
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
Serial Interface Channel 0
(MSB/LSB first switchable)
—
(MSB first)
(MSB first)
(MSB first)
Serial Interface Channel 1
(MSB/LSB first switchable)
(MSB/LSB first switchable)
—
—
—
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