ATAM862P-TNSY3D Atmel, ATAM862P-TNSY3D Datasheet - Page 55
ATAM862P-TNSY3D
Manufacturer Part Number
ATAM862P-TNSY3D
Description
IC MCU FLASH 4K TX 315MHZ 24SSOP
Manufacturer
Atmel
Datasheet
1.ATAM862P-TNQY3D.pdf
(110 pages)
Specifications of ATAM862P-TNSY3D
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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22.12.3
22.12.4
4554F–4BMCU–07/07
Duty Cycle Generator
Timer 2 Mode Register 2 (T2M2)
Table 22-8.
The duty cycle generator generates duty cycles of 25%, 33% or 50%. The frequency at the duty
cycle generator output depends on the duty cycle and the Timer 2 prescaler setting. The
DCG-stage can also be used as additional programmable prescaler for Timer 2.
Figure 22-23. DCG Output Signals
T2TOP
T2OS2
T2OS1
T2OS0
Mode
T2TOP
Bit 3
1
2
3
4
DCGO0
DCGO1
DCGO2
DCGO3
DCGIN
T2MS1
T2OS2
1
1
0
0
Timer 2 Toggle Output Preset
This bit allows the programmer to preset the Timer 2 output T2O.
T2TOP = 0, resets the toggle outputs with the write cycle (M2 = 0)
T2TOP = 1, sets toggle outputs with the write cycle (M2 = 1)
Note: If T2R = 1, no output preset is possible
Timer 2 Output Select bit 2
Timer 2 Output Select bit 1
Timer 2 Output Select bit 0
Bit 2
Timer 2 Mode Select Bits
T2MS0
T2OS1
1
0
1
0
Bit 1
Clock Output (POUT)
4-bit counter overflow (OVF1)
4-bit compare output (CM1)
4-bit compare output (CM1)
4-bit compare output (CM1)
T2OS0
Bit 0
Address: "7"hex - Subaddress: “2”hex
Timer 2 Modes
12-bit compare counter; the DCG
has to be bypassed in this mode
8-bit compare counter with 4-bit
programmable prescaler and duty
cycle generator
8-bit compare counter clocked by
SYSCL or the external clock input
T2I, 4-bit prescaler run, the counter
2/1 starts after writing mode 3
8-bit compare counter clocked by
SYSCL or the external clock input
T2I, 4-bit prescaler stop and resets
Reset value: 1111b
ATAM862-3
55
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