LC723661 Datasheet, PDF (7/12 Pages) Sanyo Semicon Device – CMOS IC Electronic tuning radio for car audio ETR Controllers

Block Diagram
LC723661, 723662, 723663
XIN
XOUT
FMIN
AMIN
SNS
VDD
VSS
HCTR
LCTR
RESET
HOLD
TEST1
TEST2
PA0
PA1
PA2
PA3
PB0
PB1
PB2
PB3
INT4 / PD0
INT5 / PD1
PD2
PD3
PE0
PE1
PF0
SCK1 / PF1
SO1 / PF2
SI1 / PF3
PG0
SCK0 / PG1
SO0 / PG2
SI0 / PG3
ADI0 / PH0
ADI1 / PH1
ADI4 / PI0
ADI5 / PI1
ADI6 / PI2
ADI7 / PI3
DIVIDER
REFERENCE DIVIDER
SELECTOR
SYSTEM CLOCK
GENERATOR
1/ 16, 1/ 17
PROGRAMMBLE DIVIDER
PHASE
DETECTOR
UNLOCK
F/F
SNS
SNSF / F
PLL DATA LATCH
V-DET
1 / 2 ^UNIVERSAL
COUNTER
(20bits)
TIMER
PROG×2
FIX×2
BUS
DRIVE.
DATA
LATCH
BUS
DRIVE.
DATA
LATCH
BUS
DRIVE.
INTERRUPT
DATA
LATCH
BUS
DRIVE.
DATA
LATCH
BUS
DRIVE.
SIO
×2
DATA
LATCH
BUS
DRIVE.
BUS
DRIVE.
MPX(8ch)
BUS
DRIVE.
DTR / ADR _ADDRESS
RAM
4K×4bit
8K×4bit
DECODER
BANK
ROM
16K×16bit
24K×16bit
32K×16bit
ADDRESS
DECODER
BUS
CONTROL
INSTRUCTION
DECODER
SKIP
PROGRAM
COUNTER
PF
STACK 32×24bits
(PC, BANK, CF, PF)
LATCH
A
LATCH
B
JUDGE
ALU
STATUS
READ
REGISTER
A / D-C
(8bits)
INTERRUPT
CONTROL
STATUS
WRITE
REGISTER
BUS
DATA
LATCH
BUS
DRIVE.
DATA
LATCH
BUS
DRIVE.
DATA
LATCH
BUS
DRIVE.
DATA
LATCH
BUS
DRIVE.
DATA
LATCH
BUS
DRIVE.
MPX
BEEP GEN
(PRG / FIX)
DATA
LATCH
BUS
DRIVE.
DATA
LATCH
BUS
DRIVE.
DATA
LATCH
BUS
DRIVE.
INTERRUPT
DATA
LATCH
EO1
EO2
PS3
PS2
PS1
PS0
PR3
PR2
PR1
PR0
PQ3
PQ2
PQ1
PQ0
PO3
PO2
PO1
PO0
PN3
PN2
PN1
PN0 / BEEP
PM3
PM2
PM1
PM0
PL3
PL2
PL1
PL0
PK1 / INT1
PK0 / INT0
PJ1
PJ0
ILC05610
No.0460-7/12