T48C862M-R4-TNQ Atmel, T48C862M-R4-TNQ Datasheet - Page 49
T48C862M-R4-TNQ
Manufacturer Part Number
T48C862M-R4-TNQ
Description
IC MON TIRE PRESS 433MHZ 24-SOIC
Manufacturer
Atmel
Datasheet
1.T48C862M-R4-TNS.pdf
(107 pages)
Specifications of T48C862M-R4-TNQ
Frequency
433MHz
Modulation Or Protocol
FM, FSK
Data Rate - Maximum
32 kBaud
Power - Output
10dBm
Current - Transmitting
9.5mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Memory Size
1KB EEPROM, 1KB RAM
Voltage - Supply
2 V ~ 4 V
Operating Temperature
-40°C ~ 125°C
Package / Case
24-SOIC (0.200", 5.30mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-
Applications
-
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Timer 2 Output Mode 4
Timer 2 Output Mode 5
Timer 2 Output Mode 7
4551C–4BMCU–01/04
Biphase Modulator: Timer 2 modulates the SSI internal data output (SO) to Biphase
code
Figure 46. Biphase Modulation
Manchester Modulator: Timer 2 modulates the SSI internal data output (SO) to
Manchester code
Figure 47. Manchester Modulation
In this mode the timer overflow defines the period and the compare register defines the
duty cycle. During one period only the first compare match occurrence is used to toggle
the timer output flip-flop, until the overflow all further compare match are ignored. This
avoids the situation that changing the compare register causes the occurrence of sev-
eral compare match during one period. The resolution at the pulse-width modulation
Timer 2 mode 1 is 12-bit and all other Timer 2 modes are 8-bit.
PWM Mode: Pulse-width modulation output on Timer 2 output pin (T2O)
Figure 48. PWM Modulation
Input clock
Counter 2/2
Counter 2/2
OVF2
INT4
CM2
T2R
T2O
TOG2
TOG2
T2O
T2O
SC
SO
SC
SO
0
Data: 00110101
Data: 00110101
Bit 7
Bit 7
Bit 7
0
0
T1
0
0
0
50
compare value
load the next
0
T
0
0
0
255
1
1
0
1
1
T2
T48C862-R4 [Preliminary]
100
1
1
T2CO2=150
1
1
8-bit SR-Data
8-bit SR-Data
T
255 0
0
0
0
0
T3
1
150
1
1
1
T
load
255 0 50
0
T1
0
0
0
load
1
T
Bit 0
Bit 0
Bit 0
1
1
1
255 0
T2
100
T
49
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