Yamaha CD-C600 Service Manual page 31

IC305: R5F212CASNFP (MAIN P.C.B.)
Single chip 16-bit microprocessor
I/O ports
Peripheral functions
Timers
Timer RA (8 bits x 1)
Timer RB (8 bits x 1)
Timer RC (16 bits x 1)
Timer RD (16 bits x 2)
Timer RE (8 bits x 1)
Timer RF (16 bits x 1)
Watchdog timer
(15 bits)
A/D converter
(10 bits x 20 channels)
D/A converter
(8 bits x 2)
D33 Detect
OPU_SEL
DRV_MUTE
LIMIT_SW
MON_1
MON_2
LED_POWER
LED_PDIRECT
LED_/USB1
LED_/USB2
VSS/AVSS
VREF
VCC/AVCC
STBY
EEP_SCL
8 8 8
Port P0 Port P1 Port P2
UART or
clock synchronous serial I/O
(8 bits x 3)
2
I C bus or SSU
(8 bits x 1)
LIN module
R8C/Tiny Series microprocessor core
R0H R0L SB
R1H R1L
R2
R3
INTB
A0
PC
A1
FB
61
62
63
64
65
66
N.C. 67
N.C. 68
N.C. 69
70
R5F212CASNFP
71
72
73
N.C. 74
75
N.C. 76
77
78
79
80
8 3 2 8
Port P3 Port P4 Port P5
System clock
generation circuit
XIN-XOUT
High-speed on-chip oscillator
Low-speed on-chip oscillator
XCIN-XCOUT
Memory
(1)
ROM
USP
ISP
(2)
RAM
FLG
Multiplier
IC305
CD-C600
NOTES:
1. ROM size varies with MCU type.
2. RAM size varies with MCU type.
40 CL_UP
39 CL_DOWN
38 OPEN
37 CLOSE
36 RIN2
35 DOUT2
34 USB_TX
33 USB_RX
32 USB_/RST
31 C2_Flag
30 CANCEL
29 USB_IN
28 iPod_IF
27 HSW_/EN
26 HSW_/FLG
25 USB_PCON
24 TBL_POS
23 UPSW
22 DOWNSW
21 OPSW
31