Datasheet
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
DS70657G-page 314 2011-2013 Microchip Technology Inc.
FIGURE 22-1: CTMU BLOCK DIAGRAM
22.1 CTMU Resources
Many useful resources are provided on the main prod-
uct page of the Microchip web site for the devices listed
in this data sheet. This product page, which can be
accessed using this link, contains the latest updates
and additional information.
22.1.1 KEY RESOURCES
• Section 33. “Charge Time Measurement Unit
(CTMU)” (DS70661)
• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related “dsPIC33E/PIC24E Family Reference
Manual” Sections
• Development Tools
CTED1
CTED2
Current Source
Edge
Control
Logic
CTMUCON1 or CTMUCON2
Pulse
Generator
CTMUI to ADC
CMP1
Timer1
OC1
Current
Control
ITRIM<5:0>
IRNG<1:0>
CTMUICON
CTMU
Control
Logic
EDG1STAT
EDG2STAT
Analog-to-Digital
CTPLS
IC1
CMP1
C1IN1-
CDelay
CTMU TEMP
CTMU
Temperature
Sensor
Current Control Selection TGEN EDG1STAT, EDG2STAT
CTMU TEMP 0 EDG1STAT = EDG2STAT
CTMUI to ADC 0 EDG1STAT EDG2STAT
CTMUP 1 EDG1STAT EDG2STAT
No Connect 1 EDG1STAT = EDG2STAT
Trigger
TGEN
CTMUP
External Capacitor
for Pulse Generation
Note: In the event you are not able to access the
product page using the link above, enter
this URL in your browser:
http://www.microchip.com/wwwproducts/
Devices.aspx?dDocName=en555464