M30622 Mitsubishi, M30622 Datasheet - Page 149

• Manufacturer Part Number: M30622
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
• Manufacturer: Mitsubishi

A-D Converter
Figure 1.20.3. A-D converter-related registers (2)
Tentative Specifications REV.A
S
(b15)
A-D register i
A-D control register 2 (Note)
b7
b7
pecifications in this manual are tentative and subject to change.
b6
b5
b4
0
b3
b2
b1
(b8)
b0
b0
Note: If the A-D control register is rewritten during A-D conversion, the conversion
b7
Bit symbol
Reserved bit
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns out to
be “0”.
ADGSEL0
ADGSEL1
SMP
Symbol
ADi(i=0 to 7)
Symbol
ADCON2
result is indeterminate.
A-D conversion method
select bit
Eight low-order bits of A-D conversion result
• During 10-bit mode
• During 8-bit mode
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if
read, turns out to be “0”.
Analog input group
select bit
Two high-order bits of A-D conversion result
When read, the content is indeterminate
Bit name
03C0
149
b0
Address
Address
16
03D4
to 03CF
16
16
Function
b2 b1
0 : Without sample and hold
1 : With sample and hold
00 : Port10 group is selected
01 : Not use
10 : Port0 group is selected
11 : Port1 group is selected
Always set to “0”
Indeterminate
When reset
When reset
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
00
16
Function
Mitsubishi microcomputers
M16C / 62T Group
R W
R W