PS20353 Datasheet, PDF (14/27 Pages) List of Unclassifed Manufacturers – Nordig Unified DVB-T COFDM Terrestrial Demodulator

PS2353
3.1.3 Examples of 2-wire bus messages:
KEY:
S
Start condition
P
Stop condition
A
Acknowledge
Italics PS20353 output
Write operation - as a slave receiver:
W
Write (= 0)
R
Read (= 1)
NA
NOT Acknowledge
RADD Register Address
S DEVICE W A RADD A DATA A DATA A P
ADDRESS
(n)
(reg n)
(reg n+1)
Read operation - PS20353 as a slave transmitter:
S DEVICE R A DATA A DATA A DATA NA P
ADDRESS
(reg 0)
(reg 1)
(reg 2)
Write/read operation with repeated start - PS20353 as a slave transmitter:
S DEVICE W A RADD A S DEVICE R A DATA A DATA
NA P
ADDRESS
(n)
ADDRESS
(reg n)
(reg n+1)
3.1.4 Primary 2-wire bus timing
Figure 6- Primary 2-Wire Bus Timing
Where:
t BUFF
Sr
DATA1
t LOW
tR
t_F
CLK1
P
t S
HD;STA
tHD;DAT
tHIGH
t t SU;DAT SU;STA
S = Start
Sr = Restart, i.e., start without stopping first.
P = Stop.
P
t SU;STO
PLESSEY SEMICONDUCTORS LTD
TAMERTON ROAD | ROBOROUGH | PLYMOUTH | DEVON | PL6 7BQ
14