cx24118a NXP Semiconductors, cx24118a Datasheet - Page 25

• Manufacturer Part Number: cx24118a
• Description: Advanced Modulation Digital Satellite Tuner
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Figure 8.
CX24118A_N_2
Product data sheet
Slave
A
S
Multiple-Bytes Read Procedure
Typical Single-Byte Read Procedure
Dev Addr/wr
Master
Data (n)
The above-described single-byte read procedure is shown in
In the figure, the following abbreviations are used:
Master
The above-described multiple-bytes read procedure is shown in
In the figure, the following abbreviations are used:
10.
NOTE:
NOTE:
7.
1.
2.
3.
4.
5.
6.
7.
8.
9.
S = Start
Dev Addr/wr = Device address with a write command
A = Acknowledge
P = Stop
Dev Addr/r = Device address with a read command
S = Start
Dev Addr/wr = Device address with a write command
A = Acknowledge
P = Stop
Dev Addr/r = Device address with a read command
Send the Stop condition.
Send the Start condition.
Send the CX24118A slave address, a write bit, and receive an ACK.
Send the CX24118A desired register address = n, and receive an ACK.
Send the Start condition.
Send the part's slave address, a read bit, and receive an ACK.
Receive the byte from register n, and supply an ACK.
Receive the byte from register n+1, and supply an ACK.
Receive the byte from register n+2, and supply an ACK.
Receive the data from register n+m, and do not supply an ACK.
Send the Stop condition.
Slave
When reading data from a slave, no ACK is supplied from master after the
last desired byte.
When reading data from a slave, no ACK is supplied from master after the
last desired byte.
A
Slave
A
Rev. 02 — 8 September 2009
P
Reg. Address = n
Master
Chapter 3: Serial Programming Interface and Registers
Slave
A
S
Figure
Dev Addr/rd
Master
Figure
8.
CX24118A
9.
© NXP B.V. 2009. All rights reserved.
102322_010
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