CC1110-RTR1 datasheet(39/203 Pages) TI

tên linh kiện	CC1110-RTR1

Giải thích chi tiết về linh kiện	True System-on-Chip with Low Power RF Transceiver and 8051 MCU

PDF	203 Pages

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nhà sản xuất	TI [Texas Instruments]

Trang chủ	http://www.ti.com

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39 / 203 page

CC1110

CC1110 PRELIMINARY Datasheet (Rev. 1.01) SWRS033A

Page 39 of 202

SFR

Address

Module

Description

U1CSR

0xF8

USART1

USART 1 Control and Status

U1DBUF

0xF9

USART1

USART 1 Receive/Transmit Data Buffer

U1BAUD

0xFA

USART1

USART 1 Baud Rate Control

U1UCR

0xFB

USART1

USART 1 UART Control

U1GCR

0xFC

USART1

USART 1 Generic Control

WDCTL

0xC9

WDT

Watchdog Timer Control

12.5 CPU Registers

This section describes the internal registers

used by the CPU.

12.5.1 Registers R0-R7

The

CC1110 provides four register banks of

eight registers each. These register banks are

mapped in the DATA memory space at

addresses 0x00-0x07, 0x08-0x0F, 0x10-0x17

and 0x18-0x1F. Each register bank contains

the eight 8-bit register R0-R7. The register

bank to be used is selected through the

Program Status Word PSW.RS[1:0].

12.5.2 Program Status Word

The Program Status Word (PSW) contains

several bits that show the current state of the

CPU. The Program Status Word is accessible

as an SFR and it is bit-addressable. PSW

contains the Carry flag, Auxiliary Carry flag for

BCD operations, Register Select bits, Overflow

flag and Parity flag. Two bits in PSW are

uncommitted and can be used as user-defined

status flags

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