HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 289

• Manufacturer Part Number: HD6475328-CP10
• Description: original Hitachi CMOS microcomputer unit (MCU)
• Manufacturer: HITACHI [Hitachi Semiconductor]

15.1.3 Input Pins
Table 15-1 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 15-1 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
15.1.4 Register Configuration
Table 15-2 lists the registers of the A/D converter module.
Table 15-2 A/D Registers
Name
A/D data register A (High)
A/D data register A (Low)
A/D data register B (High)
A/D data register B (Low)
A/D data register C (High)
A/D data register C (Low)
A/D data register D (High)
A/D data register D (Low)
A/D control/status register
* Software can write “0” to clear the status flag bits but cannot write 1.
3
) and analog inputs 4 to 7 (AN
Abbreviation
AV
AV
AN
AN
AN
AN
AN
AN
AN
AN
CC
SS
0
1
2
3
4
5
6
7
Abbreviation
ADDRA (H)
ADDRA (L)
ADDRB (H)
ADDRB (L)
ADDRC (H)
ADDRC (L)
ADDRD (H)
ADDRD (L)
ADCSR
4
I/O
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
to AN
7
), respectively.
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
R/W
R
R
R
R
R
R
R
R
R/(W)* H'00
275
Initial Value
H'00
H'00
H'00
H'00
H'00
H'00
H'00
H'00
Address
H'FFE0
H'FFE1
H'FFE2
H'FFE3
H'FFE4
H'FFE5
H'FFE6
H'FFE7
H'FFE8
0
to