MC44S803EP FREESCALE [Freescale Semiconductor, Inc], MC44S803EP Datasheet - Page 23

• Manufacturer Part Number: MC44S803EP
• Description: Low Power CMOS Broadband Tuner
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Freescale Semiconductor
the IC. The 1011 Control Register (Data Register Address)
controls which of these Data Registers will be read out of the
IC during the next read operation. To select the desired Data
function of each Data Register. The first 12 Data Registers
read back the contents of the 12 Control Registers. They
MSB
MSB
D19
R3
D3
1
There are 16 Data Registers that can be read back from
Below is the Data Register Address Map that shows the
Data Address
R2
D2
D18
0
Figure 24. Data Address Register Format
R1
D1
1
D17
R0
D0
0
D16
A3
1
D15
Address Bits
A2
0
D14
Table 32. Data Register Address Map
A1
1
D13
Data Register Address
LNA Gain/Input Power
LSB
Reference Oscillator
A0
Register Function
Reference Dividers
1
Reference Buffer
Reset/Serial Out
Regulator Test
Circuit Adjust
DATA REGISTER DEFINITIONS
Power Down
Digital Tune
D12
LNA AGC
VCO Test
Figure 25. Data Register Format
D19 – D0
ID Bits
Reset State
LO 1
LO 2
Test
D11
Data Register Bits
D10
D9
Register this address register first needs to be set. Then on
the next read operation the desired data will be available.
have the same format as their corresponding Control
Register. The rest of the registers display various status and
self-diagnostic data.
The Data Register Format is shown in Figure 25.
A3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D8
Address Bits
A2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
D7
A1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D6
A0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
D5
D4
D3
D2
MC44S803
D1
LSB
D0
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