Denon RBD-X1000, Service Manual

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Block Diagram
Terminal Function
Pin Pin Name Symbol I/O Type STBY Note
1 P9_4 IR I CMOS H Remocon pulse input
2 P9_3 NC O CMOS L NC
3 P9_2 VFD_DIN O CMOS L VFD Data out
4 P9_1 VFD_RST O CMOS L VFD Reset
5 P9_0 VFD_CLK O CMOS L VFD Clock
6 BYTE BYTL I - L GND(Ext. data bus bit width switching, 16bit:L)
7 CNVSS CNVSS - - -
Single-chip/Micro-processor mode switching(Normal
single-chip:L, Rewrite boot program start:H input set)
8 P8_7 STBY_LED O CMOS L Standby LED On/Off
9 P8_6 TIMER_LED O CMOS L Timer Led On/Off
10 RESET RESET - - H Reset input (reset:L)
11 XOUT XOUT - - - Clock output
12 VSS VSS - - - GND
13 XIN XIN - - - Clock input
14 VCC1 VCC1 - - - +3.3v
15 P8_5 MINI(PULL_UP) I N-channel L "H" fixed
16 P8_4 i-Pod_DET I CMOS L iPod Dock Detect check
REJ09B0484-0030 Rev.0.30 Sep 09, 2008
Page 10 of 791
Under development Preliminary Specification
This is a preliminary specification and is subject to change.
M16C/65 Group 1. Overview
1.4 Block Diagram
Figure 1.3 to Figure 1.5 show block diagrams.
Figure 1.3 Block Diagram (128 pins)
Clock synchronous serial I/O
(8 bits x 2 channels)
DMAC
(4 channels)
Internal peripheral functions
System clock generator
XIN-XOUT
XCIN-XCOUT
PLL frequency synthesizer
On-chip oscillator (125 kHz)
High-speed on-chip oscillator
Notes :
1. ROM size depends on MCU type.
2. RAM size depends on MCU type.
Port P0
8
Port P1
8
Port P2
8 8 8 8
Port P5 Port P4 Port P3
UART or
clock synchronous serial I/O
(6 channels)
VCC2 ports
M16C/60 series CPU core
R0L R0H
R1H
R1L
R2
R3
A0
A1
FB
SB
ISP
USP
INTB
FLG
Memory
ROM (1)
RAM
(2)
Multiplier
PC
CRC arithmetic circuit
(CCITT or CRC-16)
Three-phase motor control circuit
Outputs (timer A) : 5
Inputs (timer B) : 6
Timer (16-bit)
VCC1 ports
Real time clock
PWM function (8 bits X 2)
Remote control signal receiver
(2 circuits)
Watchdog timer
(15 bits X 1)
A/D converter
(10 bits X 26 channels)
D/A converter
(8 bits X 2 channels)
Multi-master I 2 C bus interface
(1 channel)
CEC function
8 8
Port P13 Port P12
Port P7 Port P8 Port P9 Port P6
2
Port P14 Port P11 Port P10
8 8 8 8 8 8
Voltage detection circuit
Power-on reset
On-chip debugger