Overview; Cc253X Block Diagram - Texas Instruments CC253x User Manual

Overview

1.1 Overview
The block diagrams in
CC253x and, CC2540, and CC2541 devices. Not all features and functions of all modules or peripherals
are present on all devices of the CC253x, CC2540, and CC2541; hence, see the device-specific data
sheet for a device-specific block diagram.
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
DIGITAL
ANALOG
MIXED
18
Introduction
Figure 1-1, Figure 1-2, and
BATTERY MONITOR (CC2533 ONLY)
WATCHDOG
RESET
TIMER
32-MHz
CRYSTAL OSC
CLOCK MUX
and
CALIBRATION
32.768-kHz
CRYSTAL OSC
HIGH-
DEBUG
32-kHz
SPEED
INTERFACE RC-OSC
RC-OSC
PDATA
XRAM
8051 CPU
CORE
IRAM
SFR
DMA
IRQ CTRL
ANALOG COMPARATOR
OP-AMP
CC2530/CC2531
AES
ENCRYPTION
AND
12-BIT -
D S
DECRYPTION
ADC
USART 0
USART 1
TIMER 1 (16-Bit)
TIMER 2
(IEEE 802.15.4 MAC TIMER)
TIMER 3 (8-Bit)
TIMER 4 (8-Bit)
Figure 1-1. CC253x Block Diagram
Copyright © 2009–2014, Texas Instruments Incorporated
Figure 1-3 show the different building blocks of the
ON-CHIP VOLTAGE
REGULATOR
POWER-ON RESET
BROWNOUT
SLEEP TIMER
POWER MANAGEMENT CONTROLLER
1-KB
FIFO SRAM
USB
USB
PHY
MEMORY
ARBITER
RADIO REGISTERS
COMMAND STROBE PROCESSOR
RADIO DATA INTERFACE
DEMODULATOR
AND AGC
RECEIVE
RF_P
SWRU191F – April 2009 – Revised April 2014
www.ti.com
VDD (2 V–3.6 V)
DCOUPL
CC2531
DP
DM
8-KB SRAM
32/64/128/256-KB
FLASH
FLASH CTRL
MODULATOR
TRANSMIT
RF_N
B0301-03
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