Renesas rl78 User Manual

RL78/G1A

CHAPTER 11 A/D CONVERTER

R01UH0305EJ0200 Rev.2.00

352

Jul 04, 2013

Table 11-3. A/D Conversion Time Selection (2/4)

(2) 12-bit resolution mode (ADTYP = 0) When there is A/D power supply stabilization wait time

(hardware trigger wait mode (except second and subsequent conversion in sequential conversion mode and conversion of

channel specified by scan 1, 2, and 3 in scan mode

Note 1

))

A/D Power Supply Stabilization Wait Time + Conversion Time

Selection

A/D Converter Mode Register

0 (ADM0)

= 1.6 to 3.6 V AV

= 1.8 to 3.6 V AV

= 2.4 to 3.6 V AV

= 2.7 to 3.6 V

FR2 FR1 FR0 LV1 LV0

Mode

Conversion

Clock (f

)

Number of

A/D Power

Supply

Stabilization

Wait Clock

Number of

Conversion

Clock

A/D Power

Supply

Stabilization

Wait Time

+Conversion

Time

CLK

= 1 MHz

CLK

= 4 MHz

CLK

= 8 MHz f

CLK

= 16 MHz f

CLK

= 32 MHz

0 0 0

CLK

/32 1732/f

CLK

Setting

prohibited

54.125

μs

Note 2

0 0 1

CLK

/16 868/f

CLK

Setting

prohibited

54.25

μs

Note 2

27.125

μs

Note 2

0 1 0

CLK

/8 436/f

CLK

54.5

μs

Note 2

27.25

μs

Note 2

13.625

μs

Note 2

0 1 1

CLK

/6 328/f

CLK

μs

Note 2

20.5

μs

Note 2

10.25

μs

Note 2

1 0 0

CLK

/5 274/f

CLK

Setting

prohibited

34.25

μs

Note 2

17.125

μs

Note 2

8.5625

μs

Note 2

1 0 1

CLK

/4 220/f

CLK

μs

Note 2

27.5

μs

Note 2

13.75

μs

Note 2

6.875

μs

Note 2

1 1 0

CLK

4 f

CLK

112/f

CLK

Setting

prohibited

μs

Note 2

μs

Note 2

μs

Note 2

3.5

μs

Note 2

1 1 1

0 0

Normal

CLK

/1 2

CLK

54 f

(number

sampling

clock:

11 f

)

56/f

CLK

μs

Note 2

μs

Note 2

μs

Note 2

3.5

μs

Note 2

Setting

prohibited

0 0 0

CLK

/32 2170/f

CLK

Setting

prohibited

67.8125

μs

0 0 1

CLK

/16 1114/f

CLK

Setting

prohibited

69.625

μs 34.8125 μs

0 1 0

CLK

/8 586/f

CLK

73.25

μs

Note 2

36.625

μs 18.3125 μs

0 1 1

CLK

/6 454/f

CLK

56.75

μs

Note 2

28.375

μs 14.1875 μs

1 0 0

CLK

/5 388/f

CLK

Setting

prohibited

48.5

μs

Note 2

24.25

μs 12.125

μs

1 0 1

CLK

/4 322/f

CLK

80.5

μs

Note 2

40.25

μs

Note 2

20.125

μs 10.0625 μs

1 1 0

CLK

58 f

CLK

190/f

CLK

Setting

prohibited

47.5

μs

Note 2

23.75

μs

Note 2

11.875

μs 5.9375 μs

1 1 1

0 1

Normal

CLK

/1 29

CLK

66 f

(number

sampling

clock:

23 f

)

95/f

CLK

μs

Note 2

23.75

μs

Note 2

11.875

μs

Note 2

5.9375

μs Setting

prohibited

0 0 0

CLK

/32 2447/f

CLK

Setting

prohibited

76.46875

μ s

Note 2

0 0 1

CLK

/16 1231/f

CLK

Setting

prohibited

76.9375

μs

Note 2

38.46875

μs

Note 2

0 1 0

CLK

/8 623/f

CLK

77.875

μs 38.9375 μs

Note 2

19.46875

μs

Note 2

0 1 1

CLK

/6 471/f

CLK

58.875

μs 29.4375 μs

Note 2

14.71875

μs

Note 2

1 0 0

CLK

/5 395/f

CLK

Setting

prohibited

49.375

μs 24.6875 μs

Note 2

12.34375

μs

Note 2

1 0 1

CLK

/4 319/f

CLK

79.75

μs

Note 2

39.875

μs 19.9375 μs

Note 2

9.96875

μs

Note 2

1 1 0

CLK

/2 167/f

CLK

Setting

prohibited

41.75

μs

Note 2

20.875

μs 10.4375 μs

Note 2

5.21875

μs

Note 2

1 1 1

1 0 Low-

voltage 1

CLK

15 f

CLK

76 f

(number

sampling

clock:

33 f

)

91/f

CLK

μs

Note 2

22.75

μs

Note 2

11.375

μs 5.6875 μs

Note

Setting

prohibited

0 0 0

CLK

/32 7368/f

CLK

Setting

prohibited

230.25

μs

Note 2

0 0 1

CLK

/16 3688/f

CLK

Setting

prohibited

230.5

μs

Note 2

115.25

μs

Note 2

0 1 0

CLK

/8 1848/f

CLK

231

μs

Note 2

115.5

μs

Note 2

57.75

μs

Note 2

0 1 1

CLK

/6 1388/f

CLK

173.5

μs

Note 2

86.75

μs

Note 2

43.375

μs

Note 2

1 0 0

CLK

/5 1158/f

CLK

Setting

prohibited

144.75

μs

Note 2

72.375

μs

Note 2

36.1875

μs

Note 2

1 0 1

CLK

/4 928/f

CLK

232

μs

116

μs

Note 2

μs

Note 2

μs

Note 2

1 1 0

CLK

/2 468/f

CLK

Setting

prohibited

117

μs

58.5

μs

Note 2

29.25

μs

Note 2

14.625

μs

Note 2

1 1 1

1 1 Low-

voltage 2

CLK

8 f

CLK

230 f

(number

sampling

clock:

187 f

)

238/f

CLK

238

μs 59.5

μs

29.75

μs

Note 2

14.875

μs

Note 2

Setting

prohibited

(Notes, Cautions and Remark are listed on the next page.)

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