TDA8822M Philips Semiconductors, TDA8822M Datasheet - Page 10

• Manufacturer Part Number: TDA8822M
• Description: Universal I2C-bus programmable RF modulator
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 6 RF oscillator on/off setting (see note 1)
Note
1. This table is valid only if bit TPSG is set to logic 0.
Table 7 Output port programming
Table 8 Overview of the normal modes
Note
1. X means logic 0 or logic 1, don’t care.
1997 Jan 08
Universal I
modulator
T0
0
0
0
0
0
0
0
0
STATE OF RF0
STATE OF P0
RF0
X
X
1
1
1
0
0
0
(1)
(1)
0
1
0
1
TPSG
2
X
X
C-bus programmable RF
0
0
1
0
1
1
(1)
(1)
X
X
X
X
X
X
P0
0
1
(1)
(1)
(1)
(1)
(1)
(1)
input: open
input: to DGND
output: sinking current
input: open or to DGND
input: open
input: to DGND
stopped; no RF carrier
operating; normal use
high impedance
sinking current
X
X
(1)
(1)
PORT STATE
PIN TPSG
10
ACTION ON RF OSCILLATOR
close to V
close to 0 V
RF on; TPSG off
RF on; TPSG on
RF on; TPSG on
RF off
RF on; TPSG off; sound oscillator off
RF on; TPSG on; sound oscillator off
Port P0 off (high impedance)
Port P0 on (sinking current)
CCD
(with a pull-up resistor to V
VOLTAGE ON PORT
MODE
Preliminary specification
TDA8822
CCD
)