参数资料
型号: MC68HC05SR3
厂商: 飞思卡尔半导体(中国)有限公司
英文描述: High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcontroller Units
中文描述: 高密度互补金属氧化物半导体(HCMOS)微控制器单元
文件页数: 50/96页
文件大小: 3045K
代理商: MC68HC05SR3
Freescale
7-4
MC68HC05SR3
ANALOG TO DIGITAL CONVERTER
7
Using a port D pin as both an analog and digital input simultaneously is prohibited. When the ADC
is enabled (ADON=1) and one of channels 0 to 5 is selected, the corresponding Port D pin will
appear as a logic zero when read from the Port Data Register.
7.3
ADC Data Register (ADDR)
The ADDR stores the result of a valid ADC conversion when the COCO bits is set in ADSCR.
7.4
ADC during Low Power Modes
The ADC continues normal operation in WAIT mode. To reduce power consumption in WAIT
mode, the ADON and ADRC bits in the ADSCR should be cleared if the ADC is not used. If the
ADC is in use and the internal bus clock is above 1MHz, it is recommended that the ADRC bit be
cleared.
In STOP mode, the ADC stops operation.
Table 7-1 ADC Channel Assignments
CH2
CH1
CH0
Channel
Selected Signal
0
AD0 on PD0
0
1
AD1 on PD1
0
1
0
2
AD2 on PD2
0
1
3
AD3 on PD3
10
0
4
VRH
10
1
5
VRL
11
0
6
(VRH–VRL) ÷ 4
11
1
7
(VRH–VRL) ÷ 2
Address
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
State
on reset
$0F
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
uuuu uuuu
TPG
52
05SR3.Book Page 4 Thursday, August 4, 2005 1:08 PM
相关PDF资料
PDF描述
MC68HC08MR4VFI 8-BIT, MROM, 8.2 MHz, MICROCONTROLLER, PQFP32
MC68HC08TV24CFB 8-BIT, FLASH, 8.2 MHz, MICROCONTROLLER, PQFP52
MC68HC705RC17DW 8-BIT, OTPROM, 2.097 MHz, MICROCONTROLLER, PDSO28
MC68HC705RC17P 8-BIT, OTPROM, 2.097 MHz, MICROCONTROLLER, PDIP28
MC74AC112DR2 AC SERIES, DUAL NEGATIVE EDGE TRIGGERED J-K FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO16
相关代理商/技术参数
参数描述
MC68HC05SU3A 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Fully static chip design featuring the industry standard 8-bit M68HC05 core
MC68HC05T16 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit
MC68HC05V12 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontreller Unit
MC68HC05V12CFN 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:General Release Specification
MC68HC05X16 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:High-density complementary metal oxide semiconductor HCMOS) microcontroller unit