CC2540_15 Datasheet, PDF (3/35 Pages) Texas Instruments – 2.4-GHz Bluetooth® low energy System-on-Chip

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RESET_N
XOSC_Q2
XOSC_Q1
P2_4
P2_3
P2_2
P2_1
P2_0
P1_7
P1_6
P1_5
P1_4
P1_3
P1_2
P1_1
P1_0
P0_7
P0_6
P0_5
P0_4
P0_3
P0_2
P0_1
P0_0
USB_N
USB_P
CC2540F128, CC2540F256
SWRS084F – OCTOBER 2010 – REVISED JUNE 2013
RESET
32-MHz
CRYSTAL OSC
32.768-kHz
CRYSTAL OSC
DEBUG
INTERFACE
WATCHDOG
TIMER
CLOCK MUX
and
CALIBRATION
HIGH-
SPEED
RC-OSC
32-kHz
RC-OSC
ON-CHIP VOLTAGE
REGULATOR
POWER-ON RESET
BROWN OUT
VDD (2 V–3.6 V)
DCOUPL
SLEEP TIMER
POWER MANAGEMENT CONTROLLER
8051 CPU
CORE
PDATA
XRAM
IRAM
SFR
MEMORY
ARBITRATOR
FLASH
FLASH
DMA
UNIFIED
IRQ CTRL
ANALOG COMPARATOR
OP-AMP
DS
ADC
AUDIO/DC
AES
ENCRYPTION
AND
DECRYPTION
FLASH CTRL
FIFOCTRL
1 KB SRAM
RADIO REGISTERS
Link Layer Engine
USB
USART 0
USART 1
TIMER 1 (16-Bit)
TIMER 2
(BLE LL TIMER)
TIMER 3 (8-Bit)
TIMER 4 (8-Bit)
DEMODULATOR
MODULATOR
RECEIVE
TRANSMIT
DIGITAL
ANALOG
MIXED
RF_P RF_N
B0301-05
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