m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 228

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 2.9.5. Set-up procedure of one-shot mode
(b15)
Reading conversion result
b 7
b 7
b7
S e l e c t i n g S a m p l e a n d h o l d
S e t t i n g A D c o n t r o l r e g i s t e r 0 a n d A D c o n t r o l r e g i s t e r 1
Setting A/D conversion start flag
b7
Note 1 : Rewrite to analog input pin select bit after changing A/D operation mode.
Note 2 : When f(X
1
0
0
0
0
0
0
0
IN
) is over 10 MHz, the f
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b0
(b8)
b 0
b 0
1
b0
A/D conversion start flag
b7
A n a l o g i n p u t p i n s e l e c t b i t ( N o t e 1 )
One-shot mode is selected (Note 1)
Trigger select bit
A / D c o n v e r s i o n s t a r t f l a g
A / D c o n v e r s i o n m e t h o d s e l e c t b i t
Frequency select bit 0 (Note 2)
M u s t a l w a y s b e s e t t o “ 0 ”
1 : W i t h s a m p l e a n d h o l d
b 2 b 1 b 0
1 : A/D conversion started
0 : Software trigger
0 : A / D c o n v e r s i o n d i s a b l e d
0 0 0 : A N
0 0 1 : A N
0 1 0 : A N
0 1 1 : A N
1 0 0 : A N
1 0 1 : A N
1 1 0 : A N
1 1 1 : A N
AD control register 2 [Address 03D4
ADCON2
A D c o n t r o l r e g i s t e r 0 [ A d d r e s s 0 3 D 6
A D C O N 0
0 : f
1 : f
AD control register 0 [Address 03D6
ADCON0
AD
AD
/3 or f
or f
0
1
2
3
4
5
6
7
AD
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
AD
/2 is selected
AD
/4 is selected
frequency must be under 10 MHz by dividing and set ø
b0
S t a r t A / D c o n v e r s i o n
S t o p A / D c o n v e r s i o n
E i g h t l o w - o r d e r b i t s o f A / D c o n v e r s i o n r e s u l t
During 10-bit mode
During 8-bit mode
Two high-order bits of A/D conversion result
When read, the content is indeterminate
AD register 0
AD register 1
AD register 2
AD register 3
AD register 4
AD register 5
AD register 6
AD register 7
16
1 6
16
]
]
]
b 7
0
[Address 03C1
[Address 03C3
[Address 03C5
[Address 03C7
[Address 03C9
[Address 03CB
[Address 03CD
[Address 03CF
0
1
0
16
16
16
16
16
16
16
16
, 03C0
, 03C2
, 03C4
, 03C6
, 03C8
, 03CE
, 03CA
, 03CC
b 0
16
16
16
16
16
16
16
16
I n v a l i d i n o n e - s h o t m o d e
A / D o p e r a t i o n m o d e s e l e c t b i t 1 ( N o t e 1 )
8/10-bit mode select bit
V r e f c o n n e c t b i t
Reserved bit
] AD0
] AD1
] AD2
] AD3
] AD4
F r e q u e n c y s e l e c t b i t 1 ( N o t e 2 )
] AD7
AD
] AD5
0 ( M u s t a l w a y s b e “ 0 ” i n o n e - s h o t m o d e )
1 : V r e f c o n n e c t e d
] AD6
A D c o n t r o l r e g i s t e r 1 [ A d d r e s s 0 3 D 7
A D C O N 1
0 : 8-bit mode
1 : 10-bit mode
0 : f
1 : f
frequency to 10 MHz or lower.
A D
A D
/ 2 o r f
o r f
A D
A D
/ 3 i s s e l e c t e d
/ 4 i s s e l e c t e d
2. A/D Converter
1 6
]