NAD T 752 - Ba7660 Fs; M6759

42
M6759
KEYBOARD: U201 & U202
Data Bus
Data Bus
Port 0
Drivers
P0.7:0
Port 2
Drivers
P2.7:0
Data Bus
Data Bus
Program Address
Register
Program Counter
Buffer
DPTR
Incrementer
Port 1
Drivers
P1.7:0
Port 3
Drivers
P3.7:0
Port Latch
Port Latch
Port Latch
Serial Port
Timer
Interrupt Logic
ACC
ALU REG1 ALU REG2
PSW
ALU
B Register
Stack
Pointer
Clocks and
Control
OSC
Instruction
Register
RAM Addr.
Register
512 Bytes
RAM
XTAL1 XTAL2 PSEN ALE EA RST
64K bytes
MTP Memory
BA7660FS
COMPONENT VIDEO BOARD: U4301
MUTE
INA
GND
INB
GND
N.C.
INC
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OUTA1
V
CC
OUTA2
OUTB1
OUTB2
N.C.
OUTC1
OUTC2
75W6dB
75W6dB
6dB
75W