NAD C 725BEE, Service Manual

Page: 11 / 50

MCU
30281FA
KEY BOARD IC7 0 3
11
I/O
Ports
Internal Peripheral Functions
Timer
Timer A0 (16 bits)
Timer A1 (16 bits)
Timer A2 (16 bits)
Timer A3 (16 bits)
Timer A4 (16 bits)
Timer B0 (16 bits)
Timer B1 (16 bits)
Timer B2 (16 bits)
Watchdog Timer
A-D converter
(10bits x 13 channels)
System Clock Generator
Xin-Xout
Xcin-Xcout
Ring Oscillator
M16C/60 series 16-bit CPU Core
R0L R0H
R1L R1H
R2
R3
A0
A1
FR
R0L R0H
R1L R1H
R2
R3
A0
A1
FB
Registers
SB
PC
ISP
USP
Program Counter
Stack Pointers
INTB
Vector Table
FLG
Flag Register
Memory
Multiplier
Flash ROM
RAM
3-phase PWM
Port P0
4
Port P1
3
Port P2
8
Port P3
4
Port P6
8
Port P7
8
Port P8
8
Port P9
4
Port P10
8
Timer S
Input Capture (8 channels)
Output Compare (8 channels)
Flash ROM
(Data Flash)
U(S)ART/SIO (channel 0)
Serial Ports
U(S)ART/SIO (channel 1)
U(S)ART/SIO/I 2 C/IEbus
(channel 2)
Multi-master I
2
C BUS
SIO (channel 3)
PLL frequency synthesizer
Low voltage detect
DMAC (2 channels)