CC2538_15 Datasheet, PDF (17/33 Pages) Texas Instruments – Powerful Wireless Microcontroller System-On-Chip

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CC2538
SWRS096D – DECEMBER 2012 – REVISED APRIL 2015
ADC Characteristics (continued)
T_A = 25°C and V_DD = 3 V, unless otherwise noted.
PARAMETER
Internal reference temperature
coefficient
TEST CONDITIONS
MIN TYP MAX UNIT
0.4
mV/10 °C
5.17 Control Input AC Characteristics
T_A = –40°C to 125°C, V_DD = 2 V to 3.6 V, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN TYP
System clock, f_SYSCLK
t_SYSCLK = 1/f_SYSCLK
The undivided system clock is 32 MHz when crystal oscillator is used.
The undivided system clock is 16 MHz when calibrated 16-MHz RC
oscillator is used.
16
RESET_N low duration⁽¹⁾
See item 1, Figure 5-1. This is the shortest pulse that is recognized
as a complete reset pin request.
1
Interrupt pulse duration
See item 2, Figure 5-1.This is the shortest pulse that is recognized as
an interrupt request.
20
(1) Shorter pulses may be recognized, but might not lead to a complete reset of all modules within the chip.
MAX UNIT
32 MHz
µs
ns
RESET_N
1
2
Px.n
Figure 5-1. Control Input AC Characteristics
T0299-01
5.18 DC Characteristics
T_A = 25°C, VDD = 3 V, drive strength set to high with CC_TESTCTRL.SC = 1, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN TYP
Logic-0 input voltage
Logic-1 input voltage
2.5
Logic-0 input current
Input equals 0 V
–300
Logic-1 input current
I/O-pin pullup and pulldown resistors
Input equals V_DD
–300
20
Logic-0 output voltage, 4-mA pins
Output load 4 mA
Logic-1 output voltage, 4-mA pins
Output load 4 mA
2.4
Logic-0 output voltage, 20-mA pins
Output load 20 mA
Logic-1 output voltage, 20-mA pins
Output load 20 mA
2.4
MAX
0.5
300
300
0.5
0.5
UNIT
V
V
nA
nA
kΩ
V
V
V
V
5.19 USB Interface DC Characteristics
T_A = 25°C, V_DD = 3 V to 3.6 V, unless otherwise noted.
PARAMETER
TEST CONDITIONS
USB pad voltage output, high
VDD 3.6 V, 4-mA load
USB pad voltage output, low
VDD 3.6 V, 4-mA load
MIN
TYP
MAX UNIT
3.4
V
0.2
V
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Specifications
17