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CC2540F128_11 Datasheet, PDF (15/34 Pages) Texas Instruments – 2.4-GHz Bluetooth low energy System-on-Chip
www.ti.com
CC2540F128, CC2540F256
SWRS084B – OCTOBER 2010 – REVISED JULY 2011
Time
DEBUG_ CLK
P2_2
DEBUG_DATA
(to CC2540)
P2_1
DEBUG_DATA
(from CC2540)
P2_1
t6
t7
Figure 6. Data Setup and Hold Timing
TIMER INPUTS AC CHARACTERISTICS
TA = –40°C to 85°C, VDD = 2 V to 3.6 V
PARAMETER
TEST CONDITIONS
Input capture pulse duration
Synchronizers determine the shortest input pulse that can be
recognized. The synchronizers operate at the current system
clock rate (16 MHz or 32 MHz).
DC CHARACTERISTICS
TA = 25°C, VDD = 3 V
PARAMETER
Logic-0 input voltage
Logic-1 input voltage
Logic-0 input current
Logic-1 input current
I/O-pin pullup and pulldown resistors
Logic-0 output voltage, 4- mA pins
Logic-1 output voltage, 4-mA pins
TEST CONDITIONS
Input equals 0 V
Input equals VDD
Output load 4 mA
Output load 4 mA
t8
T0438-02
MIN TYP MAX UNIT
1.5
tSYSCLK
MIN TYP MAX UNIT
0.5 V
2.5
V
–50
50 nA
–50
50 nA
20
kΩ
0.5 V
2.4
V
Copyright © 2010–2011, Texas Instruments Incorporated
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