T48C862M-R3-TNS Atmel, T48C862M-R3-TNS Datasheet - Page 25
T48C862M-R3-TNS
Manufacturer Part Number
T48C862M-R3-TNS
Description
IC MON TIRE PRESS 315MHZ 24SOIC
Manufacturer
Atmel
Datasheet
1.T48C862M-R3-TNS.pdf
(107 pages)
Specifications of T48C862M-R3-TNS
Frequency
315MHz
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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Oscillator Circuits and
External Clock Input
Stage
RC-oscillator 1
Fully Integrated
4554A–4BMCU–02/03
Figure 20. Clock Module
Table 3. Clock Modes
The clock module generates two output clocks. One is the system clock (SYSCL) and
the other the periphery (SUBCL). The SYSCL can supply the core and the peripherals
and the SUBCL can supply only the peripherals with clocks. The modes for clock
sources are programmable with the OS1-bit and OS0-bit in the SC-register and the
CCS-bit in the CM-register.
The microcontroller block series consists of four different internal oscillators: two RC-
oscillators, one 4-MHz crystal oscillator, one 32-kHz crystal oscillator and one external
clock input stage.
For timing insensitive applications, it is possible to use the fully integrated RC
oscillator 1. It operates without any external components and saves additional costs.
The RC-oscillator 1 center frequency tolerance is better than ±50% over the full temper-
ature and voltage range. The basic center frequency of the RC-oscillator 1 is
f
O
OSC1
OSC2
Mode
» 3.8 MHz. The RC oscillator 1 is selected by default after power-on reset.
1
2
3
4
*
*
*
Configurable
Oscou
Osci
OS1
n
t
1
0
1
0
Ext. clock
RC oscillator2
4-MHz oscillator
32-kHz oscillator
R
Oscou
Oscou
ExI
Osci
Osci
n
Trim
n
n
t
t
SC:
OS0
1
1
0
0
BOT
RCOut2
32Out
RC-oscillator 1 (internal)
RC-oscillator 1 (internal)
RC-oscillator 1 (internal)
RC-oscillator 1 (internal)
ExOu
4Out
- - -
Stop
Stop
Stop
t
OS1
CCS = 1
OS0
Clock Source for SYSCL
Stop
Osc-
Stop
oscillator 1
RC
CM:
RCOut1
Control
NSTOP
IN1
IN2
Sleep
WDL
CCS
Cin
External input clock
RC-oscillator 2 with
CSS1
external trimming
32-kHz oscillator
4-MHz oscillator
/2
CCS = 0
resistor
CSS0
/2
Divide
r
T48C862-R3
/2
Cin/16
/2
kHz
32
Clock Source
for SUBCL
32 kHz
C
C
C
in
in
in
/16
/16
/16
SYSCL
SUBCL
25
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