Ic Data - Yamaha CD-S2000 Service Manual

CD-S2000
I IC DATA
IC302: M30302FAPFP (DIGITAL (1) P.C.B.)
Single-chip 16-bit microprocessor
Peripheral function
Input (timer A) x3
Output (timer B) x3
Watchdog timer
Note 1: ROM contents vary depending on types.
Note 2: RAM contents vary depending on types.
TP395
TP396
TP397
TP399
TP401
TP402
KEY0
KEY1
KEY2
AVSS
VDET
VREFF
VCC1
26
8
8
Port P0 Port P1 Port P2
A/D converter
Timer (16-bit)
(10-bit
X
UART or clock synchronous type
serial I/O
(3-channel)
CRC arithmetic circuit (CCITT)
(Polynomial : X
Microprocessor core
(15-bit)
DMAC
R0H
(2-channel)
R1H
R2
R3
A0
A1
A1
FB
FB
M30302FAPFP
8 8
8
Port P3 Port P4
System clock generator
X -X
IN OUT
18-channel
)
X -X
CIN COUT
16 12 5
+X +X +1)
M16C/60 series
Memory
(Note 1)
SB
R0L
USP
R1L
(Note 2)
ISP
INTB
PC
FLG
Multiplier
8
8
Port P5 Port P6
ROM
RAM
RELAY_MUTE
ACK
XREADY
SPDIF_RQ
DVDRST
DVDPOWER
SCLK
MDATA
SDATA
RTS
DAC_SCLK/CTS
RXDO
DAC_SO/TXDO