CC2541 datasheet(21/36 Pages) TI2

21 / 36 page

RESET

WATCHDOG

TIMER

IRQ CTRL

FLASH CTRL

DEBUG

INTERFACE

CLOCK MUX

and

CALIBRATION

DMA

8051 CPU

CORE

32-MHz

CRYSTAL OSC

32.768-kHz

CRYSTAL OSC

HIGH-

SPEED

RC-OSC

POWER MANAGEMENT CONTROLLER

USART 0

USART 1

TIMER 1 (16-Bit)

TIMER 3 (8-Bit)

TIMER 4 (8-Bit)

TIMER 2

(BLE LL TIMER)

FLASH

FIFOCTRL

1 KB SRAM

SRAM

ON-CHIP VOLTAGE

REGULATOR

POWER-ON RESET

BROWN OUT

VDD (2 V–3.6 V)

DCOUPL

RESET_N

XOSC_Q2

XOSC_Q1

P2_4

P1_7

P0_7

P2_3

P1_6

P0_6

P2_2

P1_5

P0_5

P1_2

P0_2

P2_1

P1_4

P0_4

P1_1

P0_1

P2_0

P1_3

P0_3

P1_0

P0_0

MODULATOR

DEMODULATOR

RECEIVE

TRANSMIT

RF_P

RF_N

B0301-13

RADIO REGISTERS

ADC

AUDIO/DC

AES

ENCRYPTION

AND

DECRYPTION

MEMORY

ARBITRATOR

FLASH

UNIFIED

SFR

IRAM

XRAM

PDATA

SLEEP TIMER

32-kHz

RC-OSC

DIGITAL

ANALOG

MIXED

ANALOG COMPARATOR

Link Layer Engine

I C

SDA

SCL

RAM

CC2541-Q1

www.ti.com

SWRS128 – JUNE 2014

Detailed Description

5.1

Functional Block Diagram

A block diagram of the CC2541-Q1 is shown in Figure 5-1. The modules can be roughly divided into one

of three categories: CPU-related modules; modules related to power, test, and clock distribution; and

radio-related modules. In the following subsections, a short description of each module is given.

Figure 5-1. CC2541-Q1 Block Diagram

5.2

Block Descriptions

A block diagram of the CC2541-Q1 is shown in Figure 5-1. The modules can be roughly divided into one

of three categories: CPU-related modules; modules related to power, test, and clock distribution; and

radio-related modules. In the following subsections, a short description of each module is given.

Detailed Description

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CC2541 Datasheet(PDF) 21 Page - Texas Instruments

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