msm9555gs-2k Oki Semiconductor, msm9555gs-2k Datasheet - Page 4

• Manufacturer Part Number: msm9555gs-2k
• Description: Lsi Devices For Fm Multiplex Data Demodulation
• Manufacturer: Oki Semiconductor

MSM9554/MSM9555
PIN DESCRIPTION
4
Micro-
controller
interface
Tuner
interface
Analog
section test
Digital
section test
Clock
Power
supply
Function
33 to 38
19 to 26
8 to 14
Pin
16
18
15
31
40
41
42
29
30
32
28
27
6
5
1
2
7
3
4
DB0 to DB7
MOUT0 to
Symbol
A0 to A5
ADETIN
MOUT6
XOUTC
XTAL1
XTAL2
AGND
DGND
IORD
IOWR
XOUT
AV
DV
MON
CLR
WR
INT
RD
A
SG
CS
IN
DD
DD
Type
I/O
—
—
—
—
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
Write signal to internal register
Read signal to internal register
Interrupt signal to microcontroller. "L": Occurrence of an
interrupt
Chip select signal.
"L": Read, write, and data bus signals valid
"L" initializes internal registers, and the device enters
power down mode
Address signal to internal register
Data bus signal to internal register
FM multiplex signal input
Analog reference voltage output pin. To prevent noise,
connect a capacitor between this pin and analog ground.
Analog section waveform monitor pin. The analog block is
specified by the analog control register.
Analog signal input pin for testing
Digital section test signal input pins. Internally pulled up.
Digital section test signal output and monitor output pins
8.192MHz crystal oscillator connection pin
8.192MHz crystal oscillator connection pin
Pin for supply of 64kHz to 8.192MHz clock to the outside
XOUT output control pin.
"L"=Clock output, "H"=Output disabled. Pulled up internally.
Analog section power supply pin
Analog ground pin
Digital section power supply pin
Digital ground pin
Description
¡ Semiconductor