NAD C715 Service Manual

2-4
ST92F124V
ST92F124V1: Architectural Block Diagram
256 bytes
Register File
RAM
4 Kbytes
ST9 CORE
8/16 bits
CPU
Interrupt
Management
MEMORY BUS
RCCU
Ext. MEM.
ADDRESS
DATA
Port0
Ext. MEM.
ADDRESS
Ports
1,9
REGISTER BUS
WATCHDOG
AS
DS
RW
WAIT
NMI
DS2
RW
MISO
MOSI
SCK
SS
A[10:8]
A[21:11]
A[7:0]
D[7:0]
ST. TIMER
SPI
SDA
SCL
I
2
C BUS
FLASH
128 Kbytes
WDOUT
HW0SW1
STOUT
Fully
Prog.
I/Os
P0[7:0]
P1[7:3]
P1[2:0]
P2[7:0]
P3[7:4]
P3[3:1]
P4[7:4]
P4[3:0]
P5[7:0]
P6[5:2,0]
P6.1
P7[7:0]
P8[7:0]
P9[7:0]
MF TIMER 0
TINPA0
TOUTA0
TINPB0
TOUTB0
TINPA1
TOUTA1
TINPB1
TOUTB1
INT[6:0]
WKUP[15:0]
MF TIMER 1
E
3 TM
1 Kbyte
OSCIN
OSCOUT
RESET
CLOCK2/8
INTCLK
CK_AF
ADC
AV
DD
AV
SS
AIN[15:8]
AIN[7:0]
EXTRG
V
REG
VOLTAGE
REGULATOR
The alternate functions (Italic characters) are mapped on Port 0, Port 1, Port2, Port3, Port4, Port5, Port6, Port7,
Port8 and Port9.
ICAPA0
OCMPA0
ICAPB0
OCMPB0
EXTCLK0
ICAPA1
OCMPA1
ICAPB1
OCMPB1
EXTCLK1
EF TIMER 0
EF TIMER 1
SCI M
TXCLK
RXCLK
SIN
DCD
SOUT
CLKOUT
RTS
SCI A
RDI
TDO
9

NAD C715 Specifications

General

Frequency range	80 - 22000 Hz
Audio formats supported	MP3
Signal-to-Noise Ratio (SNR)	95 dB
Total Harmonic Distortion (THD)	0.15 %
Digital tuner	Yes
Supported radio bands	AM, FM
Device type	Portable CD player
Product color	Black
Disc loading type	Tray
Channel separation	78 dB
Number of optical discs	1 discs
Volume control	Rotary
Video in	1
Package depth	116 mm
Package height	362 mm
Package weight	6000 g

Weight and Dimensions

Depth	324 mm
Width	213 mm
Height	103 mm
Weight	4500 g