HD6433308 HITACHI [Hitachi Semiconductor], HD6433308 Datasheet - Page 221

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HD6433308

Manufacturer Part Number
HD6433308
Description
Hitachi Single-Chip MicroComputer
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet

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10.1.3 Input Pins
Table 10-1 lists the input pins used by the A/D converter module.
The eight analog input pins are divided into two groups, consisting of analog inputs 0 to 3 (AN
AN
Table 10-1. A/D Input Pins
Name
Analog supply voltage
Analog ground
Analog input 0
Analog input 1
Analog input 2
Analog input 3
Analog input 4
Analog input 5
Analog input 6
Analog input 7
A/D external trigger
10.1.4 Register Configuration
Table 10-2 lists the registers of the A/D converter module.
Table 10-2. A/D Registers
Name
A/D data register A
A/D data register B
A/D data register C
A/D data register D
A/D control/status register
A/D control register
* Software can write a "0" to clear bit 7, but cannot write a "1" in this bit.
3
) and analog inputs 4 to 7 (AN
Abbreviation
AV
AV
AN
AN
AN
AN
AN
AN
AN
AN
ADTRG
CC
SS
0
1
2
3
4
5
6
7
Abbreviation
ADDRA
ADDRB
ADDRC
ADDRD
ADCSR
ADCR
4
to AN
7
), respectively.
I/O
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
209
R/W
R
R
R
R
R/(W)* H’00
R/W
Function
Power supply and reference voltage for the
analog circuits.
Ground and reference voltage for the
analog circuits.
Analog input pins, group 0
Analog input pins, group 1
External trigger for starting A/D conversion
Initial value
H’00
H’00
H’00
H’00
H’7F
Address
H’FFE0
H’FFE2
H’FFE4
H’FFE6
H’FFE8
H’FFEA
0
to

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