Chapter 16
A/D Converter (ADC)
XVI
- 10
Operation
16.3.1
Setup
Input Pins of A/D Conversion Setup
Input pins for ADC is selected by the ANCTR1.ANCHS2-0.
A/D Conversion Clock Setup
The A/D conversion clock is set by the ANCTR0.ANCK2-0.
Set the A/D conversion cycle (T
ADCLK
) between 750 ns and 100
µ
s. Table:16.3.1 shows the machine clock
(HCLK, SCLK, SYSCLK) and the A/D conversion cycle (T
ADCLK
). (calculated as f
SYSCLK
= f
HCLK
/2, f
SCLK
)
Table:16.3.1 A/D Conversion Clock and A/D Conversion Cycle
A/D Conversion Sample hold Time (T
S
) Setup
The sample hold time of A/D conversion is set with the ANCTR0.ANSH1-0.
The sample hold time of A/D conversion depends on the external circuit, so set the appropriate value based on the
analog input impedance.
Table:16.3.2 Sample Hold Time of A/D Conversion and A/D Conversion Time
ANCK2-0
A/D
conversion clock
A/D conversion cycle (T
ADCLK
)
f
HCLK
= 10 MHz
f
SCLK
= 32.768 kHz
000
SYSCLK/2
400 ns
(Setting is prohibited.)
61.035
µ
s
001
SYSCLK/3
600 ns
(Setting is prohibited.)
91.552
µ
s
010
SYSCLK/4
800 ns
122.070
µ
s
(Setting is prohibited.)
011
SYSCLK/6
1.2
µ
s
183.105
µ
s
(Setting is prohibited.)
100
SYSCLK/8
1.6 ns
244.140
µ
s
(Setting is prohibited.)
101
SYSCLK/12
2.4
µ
s
366.210
µ
s
(Setting is prohibited.)
110
SYSCLK/16
3.2
µ
s
488.281
µ
s
(Setting is prohibited.)
111
SCLK
-
30.517
µ
s
ANSH1-0
Sample hold
clock
A/D conversion cycle (T
AD
)
00
T
ADCLK
×
2
T
ADCLK
×
(18 + 2) + 3
×
1 / f
SYSCLK
01
T
ADCLK
×
6
T
ADCLK
×
(18 + 6) + 3
×
1 / f
SYSCLK
10
T
ADCLK
×
18
T
ADCLK
×
(18 + 18) + 3
×
1 / f
SYSCLK
11
-
-
Содержание MN101L Series
Страница 1: ...Cover MICROCOMPUTER MN101L MN101LR05D 04D 03D 02D LSI User s Manual Pub No 21705 015E ...
Страница 2: ......
Страница 8: ......
Страница 10: ......
Страница 11: ...Contents Contents 0 ...
Страница 22: ... Contents 11 ...
Страница 23: ...I Chapter 1 Overview 1 ...
Страница 62: ...Chapter 1 Overview I 40 Cautions for Circuit Setup ...
Страница 63: ...II Chapter 2 CPU 2 ...
Страница 94: ...Chapter 2 CPU II 32 Reset ...
Страница 95: ...III Chapter 3 Interrupts 3 ...
Страница 143: ...IV Chapter 4 Clock Mode Voltage Control 4 ...
Страница 175: ...V Chapter 5 Watchdog Timer WDT 5 ...
Страница 180: ...Chapter 5 Watchdog Timer WDT V 6 Operation ...
Страница 181: ...VI Chapter 6 Power Supply Voltage Detection 6 ...
Страница 189: ...VII Chapter 7 I O Port 7 ...
Страница 248: ...Chapter 7 I O Port VII 60 Port 8 ...
Страница 249: ...VIII Chapter 8 8 bit Timer 8 ...
Страница 282: ...Chapter 8 8 bit Timer VIII 34 8 bit Timer Cascade Connection ...
Страница 283: ...IX Chapter 9 16 bit Timer 9 ...
Страница 346: ...Chapter 9 16 bit Timer IX 64 IGBT Output with Dead Time ...
Страница 347: ...X Chapter 10 General Purpose Time Base Free Running Timer 10 ...
Страница 361: ...XI Chapter 11 RTC Time Base Timer RTC TBT 11 ...
Страница 371: ...XII Chapter 12 Real Time Clock RTC 12 ...
Страница 389: ...XIII Chapter 13 Serial Interface 13 ...
Страница 458: ...Chapter 13 Serial Interface XIII 70 IIC Communication ...
Страница 459: ...XIV Chapter 14 DMA Controller 14 ...
Страница 472: ...Chapter 14 DMA Controller XIV 14 DMA Data Transfer ...
Страница 473: ...XV Chapter 15 Buzzer 15 ...
Страница 479: ...XVI Chapter 16 A D Converter ADC 16 ...
Страница 493: ...XVII Chapter 17 LCD 17 ...
Страница 530: ...Chapter 17 LCD XVII 38 LCD Display Examples ...
Страница 531: ...XVIII Chapter 18 ReRAM 18 ...
Страница 538: ...Chapter 18 ReRAM XVIII 8 Command Library ...
Страница 539: ...XIX Chapter 19 On Board Debugger 19 ...
Страница 542: ...Chapter 19 On Board Debugger XIX 4 List of on board debugging functions ...
Страница 543: ...XX Chapter 20 Appendix 20 ...
Страница 555: ...Chapter 20 Appendix Instruction map XX 13 ...