参数资料
型号: EVAL-ADUC7122QSPZ
厂商: Analog Devices Inc
文件页数: 47/96页
文件大小: 0K
描述: BOARD EVALUATION FOR ADUC7122
设计资源: EVAL-ADUC7122 Schematic
ADUC7122 Gerber Files
ADUC7122 BOM
标准包装: 1
系列: MicroConverter® ADuC7xxx
类型: MCU
适用于相关产品: ADUC7122
所含物品:
ADuC7122
Rev. 0 | Page 51 of 96
Table 79. PWM Output Selection1
PWMCON1 MMR
PWM Outputs
ENA
HOFF
POINV
DIR
PWM1
PWM2
PWM3
PWM4
0
X
1
X
1
X
1
0
1
0
1
0
HS
LS
1
0
1
HS
LS
0
1
0
1
0
HS
LS
1
0
1
HS
LS
1 X = don’t care, HS = high side, LS = low side.
On power-up, PWMCON1 defaults to 0x12 (HOFF = 1 and
HMODE = 1). All GPIO pins associated with the PWM are
configured in PWM mode by default (see Table 80).
Table 80. Compare Registers
Name
Address
Default Value
Access
PWM1COM1
0xFFFF0F84
0x00
R/W
PWM1COM2
0xFFFF0F88
0x00
R/W
PWM1COM3
0xFFFF0F8C
0x00
R/W
PWM2COM1
0xFFFF0F94
0x00
R/W
PWM2COM2
0xFFFF0F98
0x00
R/W
PWM2COM3
0xFFFF0F9C
0x00
R/W
PWM3COM1
0xFFFF0FA4
0x00
R/W
PWM3COM2
0xFFFF0FA8
0x00
R/W
PWM3COM3
0xFFFF0FAC
0x00
R/W
The PWM trip interrupt can be cleared by writing any value to
the PWMICLR MMR. Note that when using the PWM trip
interrupt, users should make sure that the PWM interrupt
has been cleared before exiting the ISR. This prevents genera-
tion of multiple interrupts.
PWM CONVERT START CONTROL
The PWM can be configured to generate an ADC convert start
signal after the active low-side signal goes high. There is a program-
mable delay between when the low-side signal goes high and
the convert start signal is generated.
This is controlled via the PWMCON2 MMR. If the delay
selected is higher than the width of the PWM pulse, the
interrupt remains low.
Table 81. PWMCON2 MMR Bit Designations
(Address = 0xFFFF0FB4, Default Value = 0x00)
Bit
Value
Name
Description
7
CSEN
Convert start enable.
1
Set to 1 by the user to enable the PWM
to generate a convert start signal.
0
Cleared by the user to disable the PWM
convert start signal.
3:0
CSD3
Convert start delay. Delays the convert
start signal by a number of clock pulses.
0000
4 clock pulses.
0001
8 clock pulses.
0010
12 clock pulses.
0011
16 clock pulses.
0100
20 clock pulses.
0101
24 clock pulses.
0110
28 clock pulses.
0111
32 clock pulses.
1000
36 clock pulses.
1001
40 clock pulses.
1010
44 clock pulses.
1011
48 clock pulses.
1100
52 clock pulses.
1101
56 clock pulses.
1110
60 clock pulses.
1111
64 clock pulses.
When calculating the time from the convert start delay to the
start of an ADC conversion, the user needs to take account of
internal delays. The example in Figure 33 shows the case for a
delay of four clocks. One additional clock is required to pass the
convert start signal to the ADC logic. When the ADC logic
receives the convert start signal, an ADC conversion begins on
the next ADC clock edge (see Figure 33).
UCLK/ADC_CLOCK
LOW SIDE
COUNT
PWM SIGNAL
SIGNAL PASSED
TO ADC LOGIC
08
75
5-
03
4
TO CONVST
Figure 33. ADC Conversion
相关PDF资料
PDF描述
EVAL-ADUC7124QSPZ BOARD EVALUATION FOR ADUC7124
ECM30DCWN CONN EDGECARD 60POS DIP .156 SLD
EVAL-ADUC7121QSPZ BOARD EVALUATION FOR ADUC7121
EVAL-ADUC7126QSPZ BOARD EVALUATION FOR ADUC7126
REC5-243.3SRWZ/H4/A CONV DC/DC 5W 9-36VIN 3.3VOUT
相关代理商/技术参数
参数描述
EVAL-ADUC7124QSPZ 功能描述:BOARD EVALUATION FOR ADUC7124 RoHS:是 类别:编程器,开发系统 >> 通用嵌入式开发板和套件(MCU、DSP、FPGA、CPLD等) 系列:MicroConverter® ADuC7xxx 标准包装:1 系列:PICDEM™ 类型:MCU 适用于相关产品:PIC10F206,PIC16F690,PIC16F819 所含物品:板,线缆,元件,CD,PICkit 编程器 产品目录页面:659 (CN2011-ZH PDF)
EVAL-ADUC7126QSPZ 功能描述:BOARD EVALUATION FOR ADUC7126 RoHS:是 类别:编程器,开发系统 >> 通用嵌入式开发板和套件(MCU、DSP、FPGA、CPLD等) 系列:MicroConverter® ADuC7xxx 标准包装:1 系列:PICDEM™ 类型:MCU 适用于相关产品:PIC10F206,PIC16F690,PIC16F819 所含物品:板,线缆,元件,CD,PICkit 编程器 产品目录页面:659 (CN2011-ZH PDF)
EVAL-ADUC7128QSPZ 功能描述:KIT DEV FOR ADUC7128 RoHS:是 类别:编程器,开发系统 >> 通用嵌入式开发板和套件(MCU、DSP、FPGA、CPLD等) 系列:QuickStart™ PLUS 套件 产品培训模块:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色产品:Blackfin? BF50x Series Processors 标准包装:1 系列:Blackfin® 类型:DSP 适用于相关产品:ADSP-BF548 所含物品:板,软件,4x4 键盘,光学拨轮,QVGA 触摸屏 LCD 和 40G 硬盘 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相关产品:ADSP-BF542BBCZ-4A-ND - IC DSP 16BIT 400MHZ 400CSBGAADSP-BF544MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542KBCZ-6A-ND - IC DSP 16BIT 600MHZ 400CSBGAADSP-BF547MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF548BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF547BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF544BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF542BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGA
EVAL-ADUC7128QSPZ2 制造商:AD 制造商全称:Analog Devices 功能描述:Precision Analog Microcontroller ARM7TDMI MCU with 12-Bit ADC and DDS DAC
EVAL-ADUC7129QSPZ 制造商:Analog Devices 功能描述:- Bulk