M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 406

• Manufacturer Part Number: M30622MA-XXXFP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
• Manufacturer: RENESAS [Renesas Technology Corp]

A-D Converter
Figure 2.7.8. Set-up procedure of one-shot mode, with an external trigger selected
(b15)
Reading conversion result
Selecting sample and hold
b7
Setting A-D control register 0 and A-D control register 1
b7
Setting A-D conversion start flag
b7
Setting A-D conversion start flag
b7
b7
0
1
0
Note: Rewrite to analog input pin select bit after changing A-D operation mode.
1
0 0
b0
b0
b0
1
b0
(b8)
b0
Frequency select bit 0
A-D conversion start flag
A-D conversion start flag
Analog input pin select bit (Note)
One-shot mode is selected (Note)
Trigger select bit
A-D conversion start flag
b7
A-D conversion method select bit
1 : With sample and hold
1 : A-D conversion started
0 0 0 : AN
0 0 1 : AN
0 1 0 : AN
0 1 1 : AN
1 0 0 : AN
1 0 1 : AN
1 1 0 : AN
1 1 1 : AN
1 : AD
0 : A-D conversion disabled
0 : f
1 : f
0 : A-D conversion disabled
b2 b1 b0
A-D control register 2 [Address 03D4
ADCON2
A-D control register 0 [Address 03D6
ADCON0
A-D control register 0 [Address 03D6
ADCON0
A-D control register 0 [Address 03D6
ADCON0
AD
AD
/4 is selected
/2 is selected
TRG
trigger
0
1
2
3
4
5
6
7
is selected
is selected
is selected
is selected
is selected
is selected
is selected
is selected
When AD
Start A-D conversion
b0
Stop A-D conversion
TRG
Eight low-order bits of A-D conversion result
During 10-bit mode
During 8-bit mode
A-D register 0
A-D register 1
A-D register 2
A-D register 3
A-D register 4
A-D register 5
A-D register 6
A-D register 7
Two high-order bits of A-D conversion result
When read, the content is indeterminate
pin level becomes from “H” to “L”
16
16
16
16
]
]
]
]
b7
0 0
[Address 03C1
[Address 03C3
[Address 03C5
[Address 03C7
[Address 03C9
[Address 03CB
[Address 03CD
[Address 03CF
1
0
16
16
16
16
16
16
16
16
, 03C0
, 03C2
, 03C4
, 03C6
, 03C8
, 03CA
, 03CE
, 03CC
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
b0
16
16
16
16
16
16
16
16
A-D operation mode select bit 1 (Note)
Vref connect bit
External op-amp connection mode bit
Invalid in one-shot mode
8/10-bit mode select bit
Frequency select bit 1
b7 b6
] AD0
] AD1
] AD2
] AD3
] AD4
0 0 : ANEX0 and ANEX1 are not used
] AD7
] AD5
1 : Vref connected
] AD6
A-D control register 1 [Address 03D7
ADCON1
0 (Must always be “0” in one-shot mode)
0 : 8-bit mode
1 : 10-bit mode
0 : f
1 : f
AD
AD
/2 or f
is selected
AD
/4 is selected
Mitsubishi microcomputers
M16C / 62 Group
16
]
391