MRF24J40(2008) 데이터 시트보기 (PDF) - Microchip Technology

부품명

상세내역

제조사

MRF24J40
(Rev.:2008)

IEEE 802.15.4™ 2.4 GHz RF Transceiver

Microchip Technology 

MRF24J40

2.14.2 LONG ADDRESS REGISTER

INTERFACE

The long address memory space contains control

registers and FIFOs with a 10-bit address range of

0x000 to 0x38F. Figure 2-9 shows a long address read

and Figure 2-10 shows a long address write. The 12-bit

FIGURE 2-9:

LONG ADDRESS READ

SPI transfer begins with a ‘1’ to indicate a long address

transaction. It is followed by the 10-bit register address,

Most Significant bit (MSb) first. The 12th bit indicates if

it is a read (‘0’) or write (‘1’) transaction.

CS

SCK

SDI

SDO

1 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 0

X

D7 D6 D5 D4 D3 D2 D1 D0

FIGURE 2-10:

LONG ADDRESS WRITE

CS

SCK

SDI

SDO

1 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 1

X

D7 D6 D5 D4 D3 D2 D1 D0

© 2008 Microchip Technology Inc.

Preliminary

DS39776B-page 13

Share Link: