MA240029 Microchip Technology, MA240029 Datasheet - Page 249
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MA240029
Manufacturer Part Number
MA240029
Description
Daughter Cards & OEM Boards PIC24FJ128GA310 Gen Purpose PIM
Manufacturer
Microchip Technology
Datasheet
1.MA240029.pdf
(406 pages)
Specifications of MA240029
Rohs
yes
Product
Daughter Cards
Core
PIC
Description/function
Plug-in module
Interface Type
I2C, SPI
Tool Is For Evaluation Of
PIC24FJ128GA310
For Use With
Explorer 16 Development Board
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MA240029
Manufacturer:
MICROCHIP
Quantity:
12 000
- Current page: 249 of 406
- Download datasheet (3Mb)
19.0
The Data Signal Modulator (DSM) allows the user to
mix a digital data stream (the “modulator signal”) with a
carrier signal to produce a modulated output. Both the
carrier and the modulator signals are supplied to the
DSM module, either internally from the output of a
peripheral, or externally through an input pin.
FIGURE 19-1:
2010-2011 Microchip Technology Inc.
Note:
SSP1 (SDO)
SSP2 (SDO)
MDCL<3:0>
MDCH<3:0>
REFO Clock
MDMS<3:0>
UART1 (TX)
UART2 (TX)
UART3 (TX)
UART4 (TX)
REFO Clock
OC/PWM1
OC/PWM2
OC/PWM3
OC/PWM4
OC/PWM5
OC/PWM6
OC/PWM7
OC/PWM1
OC/PWM2
OC/PWM3
OC/PWM4
OC/PWM5
OC/PWM6
OC/PWM7
OC/PWM1
OC/PWM2
OC/PWM3
OC/PWM4
OC/PWM5
OC/PWM6
OC/PWM7
DATA SIGNAL MODULATOR
MDCIN1
MDCIN2
MDCIN1
MDCIN2
MDMIN
MDBIT
Section 55. “Data Signal Modulator
This data sheet summarizes the features of
this group of PIC24F devices. It is not
intended to be a comprehensive reference
source. For more information, refer to the
“PIC24F
(DSM)” (DS39744). The information in this
data sheet supersedes the information in
the FRM.
V
V
SS
SS
Family
SIMPLIFIED BLOCK DIAGRAM OF THE DATA SIGNAL MODULATOR
CARL
CARH
MOD
Reference
CHPOL
CLPOL
MDEN
EN
Manual”,
PIC24FJ128GA310 FAMILY
D
D
SYNC
SYNC
Data Signal
Modulator
Q
Q
CLSYNC
CHSYNC
The modulated output signal is generated by perform-
ing a logical AND operation of both the carrier and
modulator signals and then it is provided to the MDOUT
pin. Using this method, the DSM can generate the
following types of key modulation schemes:
• Frequency Shift Keying (FSK)
• Phase Shift Keying (PSK)
• On-Off Keying (OOK)
Figure 19-1
Data Signal Modulator peripheral.
1
0
1
0
shows a simplified block diagram of the
MDOPOL
MDOE
DS39996F-page 249
MDOUT
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