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T48C862-R8 数据表(PDF) 97 Page - ATMEL Corporation

部件名 T48C862-R8
功能描述  Microcontroller with UHF ASK/FSK Transmitter
PDF  107 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

T48C862-R8 数据表(HTML) 97 Page - ATMEL Corporation

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97
T48C862-R8
4590B–4BMCU–02/03
AC Characteristics
Supply voltage VDD = 2.0 to 4.0 V, VSS = 0 V, Tamb = 25°C unless otherwise specified.
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Operation Cycle Time
System clock cycle
V
DD = 2.0 to 4.0 V
T
amb = -40 to 85°C
t
SYSCL
500
2000
ns
V
DD = 2.4 to 4.0 V
T
amb = -40 to 85°C
t
SYSCL
250
2000
ns
Timer 2 input Timing Pin T2I
Timer 2 input clock
f
T2I
5MHz
Timer 2 input LOW time
Rise/fall time < 10 ns
t
T2IL
100
ns
Timer 2 input HIGH time
Rise/fall time < 10 ns
t
T2IH
100
ns
Timer 3 Input Timing Pin T3I
Timer 3 input clock
f
T3I
SYSCL/2
MHz
Timer 3 input LOW time
Rise/fall time < 10 ns
t
T3IL
2t
SYSCL
ns
Timer 3 input HIGH time
Rise/fall time < 10 ns
t
T3IH
2t
SYSCL
ns
Interrupt Request Input Timing
Interrupt request LOW time
Rise/fall time < 10 ns
t
IRL
100
ns
Interrupt request HIGH time
Rise/fall time < 10 ns
t
IRH
100
ns
External System Clock
EXSCL at OSC1, ECM = EN
Rise/fall time < 10 ns
f
EXSCL
0.5
4
MHz
EXSCL at OSC1, ECM = DI
Rise/fall time < 10 ns
f
EXSCL
0.02
4
MHz
Input HIGH time
Rise/fall time < 10 ns
t
IH
0.1
ms
Reset Timing
Power-on reset time
V
DD > VPOR
t
POR
1.5
5
ms
RC Oscillator 1
Frequency
f
RcOut1
3.8
MHz
Stability
V
DD = 2.0 to 4.0 V
Tamb = -40 to +125°C
Df/f
±50
%
RC Oscillator 2
– External Resistor
Frequency
Rext = 180 kW
fRcOut2
4MHz
Stability
VDD = 2.0 to 4.0 V
T
amb = -40 to +125°C
Df/f
±15
%
Stabilization time
t
S
10
ms
4-MHz Crystal Oscillator (Operating Range V
DD = 2.2 V to 4.0 V)
Frequency
f
X
4MHz
Start-up time
t
SQ
5ms
Stability
Df/f
-10
10
ppm
Integrated input/output capacitances
(configurable)
C
IN/COUT programmable
C
IN
C
OUT
0, 2, 5, 7, 10 or 12
0, 2, 5, 7, 10 or 12
pF
pF



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