72722PM_11 Datasheet, PDF (3/15 Pages) Sanyo Semicon Device – Single-Chip RDS Signal-Processing System LSI

Pin Functions
Pin No.
Pin name
1
VREF
LC72722, 72722M, 72722PM
Function
Reference voltage output (Vdda/2)
I/O
Output
2
MPXIN
Baseband (multiplexed) signal input
Input
Pin circuit
Vdda
Vssa
Vdda
A12365
Vssa _A12366
5
FLOUT
Subcarrier output (filter output)
6
CIN
Subcarrier input (comparator input)
3
Vdda
Analog system power supply (+5 V)
4
Vssa
Analog system ground
12
XOUT
Crystal oscillator output (4.332/8.664 MHz)
Output
–
+
Vdda
A12367
Input
—
—
Output
Vssa
XIN
VREF
—
—
Vddd
A12368
13
XIN
Crystal oscillator input (external reference signal input)
XOUT
Vssd
A12369
7
T1
Test input (This pin must always be connected to ground.)
Input
Test input (standby control)
8
T2
0: Normal operation, 1: Standby state (crystal oscillator stopped)
9
T3 (RDCL)
Test I/O (RDS clock output)
10
T4 (RDDA)
Test I/O (RDS data output)
11
T5 (RSFT)
Test I/O (soft-decision control data output)
Test I/O (error status output, regenerated carrier output,
16 T6 (ERROR/57K/TP/BE1) _{TP output, error block count output)}
I/O*
Test I/O (Error correction status output, SK detection output,
17 T7 (CORREC/ARI-ID/TA/BE0) _{TA output, error block count output)}
18
SYNC
Block synchronization detection output
19
RDS-ID
RDS detection output
20
DO
Data output
Output
21
CL
Clock input
Serial data interface (CCB)
22
DI
Data input
23
CE
Chip enable
24
SYR
Synchronization and RAM address reset (active high)
14
Vddd
Digital system power supply (+5 V)
15
Vssd
Digital system ground
Input
—
—
Note: * Normally function as an output pin. Used as an I/O pin in test mode, which is not available to user applications.
S
Vssd
A12370
Vssd
A12371
Vssd
A12372
S
Vssd
—
—
A12373
No. 5602-3/15