Akai DV-R4000SS

62
61
VOLTAGE CHART - CONTINUED IC BLOCK DIAGRAMS & IC PINS DESCRIPTION
U14 ZR36707TQC
CPU
RAM (8Kbytes)
Bit search module
DMA controller
(8ch)
Bus converter (32bits-16bits)
Clock control unit
(Watchdog timer)
Interrupt control
unit
DREQ0 to
DREQ2
DACK0 to
DACK2
EOP0 to
EOP2
X0
X1
RSTX
HSTX
INT0 to
INT5
NMIX
AN0 to AN3
AVcc
AVss/AVRL
AVRH
ATGX
SI0 to SI2
SO0 to SO2
SC0 to SC2
STRBIN
DVDSOS
STREQ/
DRVVLD
10-bit
A/D converter
(4 ch.)
UART (3ch)
Reload timer (3ch)
Port D,E,F
A/V I/F port
Flash memory
(510KB)
RAM(2Kbytes)
Port0 to port B
DRAM
controller
Bus
controller
Bus converter
(Harvard _ Princeton
D
1
6
t
o
D
3
1
A
0
0
t
o
A
2
4
R
D
X
W
R
0
X
,
W
R
1
X
R
D
Y
C
L
K
B
R
Q
B
G
R
N
T
X
C
S
0
X
t
o
C
S
5
X
R
A
S
0
R
A
S
1
C
S
0
L
C
S
0
H
C
S
1
L
C
S
1
H
D
W
0
X
D
W
1
X
3
3
3
/
/
/
/
/
/
/
/
/
/
/
/
4
6
3
3
3
1
6
2
5
2
6
R-bus(16bits)
C-bus(32bits)
D
-
b
u
s
(
3
2
b
i
t
s
)
I-bus(
1
6
b
i
t
s
)
IC606 BU4551BF
W 1
W 1
X 0
X 0
X 1
X 1
X
X
Y
Y
Y 0
Y 0
V EE
V EE
W 0
W
0
W
W
Z
Z
Z 1
Z
1
Z 0
Z
0
Y 1
Y
1
CONTROL
C
O
N
T
R
O
L
1
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9
2
3
4
5
6
7
8
Vss
V
D
D
1
2
3
4
7
6
5
8
V
+
B
B
B
B
+
I
N
+IN
O
U
T
OUT
-
I
N
-IN
A
A
A
A
V
-
U11, U12, U13 LS4580F
IC402 (TC9257F)
PIN'S NUMBER 1 2 3 4 5 6 7 8 9 10
AM 2.45 2.47 4.29 4.29 0.01 0.14 0.02 0.11 0.02 0.02
FM 2.38 2.41 4.97 4.97 0 0.14 0 0.11 0 0
PIN'S NUMBER 11 12 13 14 15 16 17 18 19 20
AM 4.97 4.97 0 2.43 0 2.44 1.44 1.37 1.15 1.14
FM 0 0 0 2.36 0 2.36 0.17 0.17 0.76 1.08