TX-NR801/E
IC BLOCK DIAGRAMS AND DESCRIPTIONS
Q160 TC9246F(PLL IC for Digital Audio)
V
DD
LOCK S2 S1 M2 M1 CKO Vss
REF P
D
V
DDA
AMPI AMPO A
SSA
XI XO
14
13
12
11
10
9
16
15
1
2
3
4
5
6
7
8
LOCK DETECTION
CIRCUIT
REF
VAR
PHASE
COMPARATOR
VCO
PROGRAMMABLE COUNTER
MICROPROCESSOR INTERFACE
SELECT
OR
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Symbol
REF
PD
VDDA
AMPI
AMPO
VSSA
XI
XO
VSS
CKO
M1
M2
S1
S2
LOCK
VDD
I/O
I
O
-
I
O
-
I
O
-
O
I
I
I
I
O
-
Function Description
Reference signal input pin
Phase error signal output pin
Analog power supply
Amplifier input pin for LPF or Oscillator 1
Amplifier output pin for LPF or oscillator 1
Analog ground pin
Amplifier input pin for oscillator 3
Output pin for oscillator 3
Digital ground pin
Oscillator clock output
Mode select pin
Mode select pin
Parallel mode: Divided ratio select pin
Serial mode: Data input pin from microprocessor
Parallel mode: Divided ratio select pin
Serial mode: Shift clock input pin
Lock detect signal output pin
Digital power supply
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