ATAM862P-TNSY4D Atmel, ATAM862P-TNSY4D Datasheet - Page 53
![IC MCU FLASH 4K TX 433MHZ 24SSOP](/photos/6/76/67636/453-24-ssop_sml.jpg)
ATAM862P-TNSY4D
Manufacturer Part Number
ATAM862P-TNSY4D
Description
IC MCU FLASH 4K TX 433MHZ 24SSOP
Manufacturer
Atmel
Datasheet
1.ATAM862P-TNQY4D.pdf
(110 pages)
Specifications of ATAM862P-TNSY4D
Applications
UHF ASK/FSK
Core Processor
MARC4
Program Memory Type
FLASH (4 kB)
Controller Series
MARC4 4-Bit
Ram Size
256 x 4
Interface
SSI
Number Of I /o
11
Voltage - Supply
1.8 V ~ 4 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
24-SSOP
Processor Series
ATAM862x
Core
MARC4
Data Bus Width
4 bit
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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22.11.5
22.11.6
22.12 Timer 2 Registers
4551G–4BMCU–07/07
Timer 2 Output Mode 5
Timer 2 Output Mode 7
Manchester Modulator: Timer 2 modulates the SSI internal data output (SO) to Manchester
code
Figure 22-20. 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 out-
put flip-flop, until the overflow all further compare match are ignored. This avoids the situation
that changing the compare register causes the occurrence of several 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 22-21. PWM Modulation
Timer 2 has 6 control registers to configure the timer mode, the time interval, the input clock and
its output function. All registers are indirectly addressed using extended addressing as
described in section "Addressing Peripherals". The alternate functions of the Ports BP41 or
BP42 must be selected with the Port 4 control register P4CR, if one of the Timer 2 modes
require an input at T2I/BP41 or an output at T2O/BP42.
Input clock
Counter 2/2
Counter 2/2
OVF2
INT4
CM2
T2O
T2R
TOG2
T2O
SC
SO
0
Data: 00110101
Bit 7
Bit 7
0
0
T1
0
50
compare value
load the next
0
T
0
255
1
0
1
T2
100
1
T2CO2=150
1
8-bit SR-Data
T
255 0
0
0
T3
1
150
1
T
load
255 0 50
0
T1
0
load
1
ATAM862-4
T
Bit 0
Bit 0
1
255 0
T2
100
T
53
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