ATAM862-3 Datasheet, PDF (102/110 Pages) ATMEL Corporation – Microcontroller with UHF ASK/FSK Transmitter

28. AC Characteristics
Supply voltage V_DD = 1.8 to 4.0 V, V_SS = 0 V, T_amb = 25° C unless otherwise specified.
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Operation Cycle Time
System clock cycle
Timer 2 input Timing Pin T2I
V_DD = 1.8 to 4.0 V
T_amb = -40 to +125° C
V_DD = 2.4 to 4.0 V
T_amb = -40 to +125° C
t_SYSCL
t_SYSCL
500
250
2000
2000
Timer 2 input clock
Timer 2 input LOW time
Timer 2 input HIGH time
Timer 3 Input Timing Pin T3I
Rise/fall time < 10 ns
Rise/fall time < 10 ns
f_T2I
5
t_T2IL
100
t_T2IH
100
Timer 3 input clock
Timer 3 input LOW time
Timer 3 input HIGH time
Interrupt Request Input Timing
Rise/fall time < 10 ns
Rise/fall time < 10 ns
f_T3I
t_T3IL
t_T3IH
2 t_SYSCL
2 t_SYSCL
SYSCL/2
Interrupt request LOW time
Interrupt request HIGH time
External System Clock
Rise/fall time < 10 ns
Rise/fall time < 10 ns
t_IRL
100
t_IRH
100
EXSCL at OSC1, ECM = EN
EXSCL at OSC1, ECM = DI
Input HIGH time
Reset Timing
Rise/fall time < 10 ns
Rise/fall time < 10 ns
Rise/fall time < 10 ns
f_EXSCL
0.5
4
f_EXSCL
0.02
4
t_IH
0.1
Power-on reset time
RC Oscillator 1
V_DD > V_POR
t_POR
1.5
5
Frequency
Stability
V_DD = 2.0 to 4.0 V
T_amb = -40 to +125° C
RC Oscillator 2 – External Resistor
f_RcOut1
∆f/f
3.8
±50
Frequency
Stability
Stabilization time
R_ext = 180 kΩ
V_DD = 2.0 to 4.0 V
T_amb = -40 to +125° C
4-MHz Crystal Oscillator (Operating Range V_DD = 2.2 V to 4.0 V)
Frequency
Start-up time
Stability
f_RcOut2
∆f/f
t_S
4
±15
10
f_X
4
t_SQ
5
∆f/f
-10
10
Integrated input/output capacitances
(configurable)
C_IN/C_OUT programmable
C_IN
C_OUT
0, 2, 5, 7, 10 or 12
0, 2, 5, 7, 10 or 12
Unit
ns
ns
MHz
ns
ns
MHz
ns
ns
ns
ns
MHz
MHz
µs
ms
MHz
%
MHz
%
µs
MHz
ms
ppm
pF
pF
102 ATAM862-3
4554E–4BMCU–05/06