Table of Contents
Advertisement
Available languages
Available languages
TMS9129NL (Tl) (PAL COLOR-DIFFERENCE SIGNAL)
N-MOS VIDEO DISPLAY PROCESSOR
— TOP VIEW —
RAS
1
CAS f2
AD7 [J
(LSB)1—
AD
6
fT
AD5
\5_
AD4
[6
AD3 [7
AD2 [T
ADI jT
ADO
{MSB) L—
R/W
fTT
XTAL 1
>9 XTAL 2
R-Y
37 CPU CLK
>5 B-Y
raRESET/SYNC
VGC
—|
( + 5V) 331
12 GND
MODE [13
CSW [)4
CSR [is
INT
[f
6
CD7 p
(LSB) L-
CD
6
[?8
CD 5 [i?
CD 4 |iO
CI1 RDO
(MSB)
31 RD1
RD2
29 RD3
!8
RD4
27 RD5
261 RD
6
2
sl
RD7
—'(LSB)
04
I CD 0
=—J (MSB)
23 C D 1
\2qCO2
1 CD 3
32
31
30
29
26
Jt
27
26
25
ROO
RO 1
RD 2
RD 3
R04
RO 5
R06
RD7
MODE
CSR
CSW
XTAL 1
XTAL 2
RESET/SYNC
ADO —
ADI
—
AD2 —
7
AD 3 -—
6
AO 4 -
AD 5 —
AD6 —
AD7 —
CDO —
CD 1 —
COZ ^2
CD 3 51
CD4 20
CDS ^
CD6 15
CD7 11
1
RAS >—
2
CAS J—
R/W 11
CPU CLK
B-Y
. r
R-y
INT
AD0—AD7
B-Y
CAS
CDO—CD7
CPU CLK
CSR
CSW
INT
MODE
RAS
RESET/ SYNC5
RDO — RD7
R/W
R-Y
X TALI,2
Y
VRAM ADDRESS
B-Y SIGNAL
VRAM COLUMN ADDRESS STROBE
CPU DATA
VDP OUTPUT CLOCK
CPU-VDP READ STROBO
COP-VDP WRITE STROBO
CPU
INTERRUPT OUTPUT
CPU
MODE SELECT
VRAM ROW ADDRESS STROBE
RESET/EXT VIDEO SYNC
VRAM READ/WRITE DATA
VRAM READ/WRITE
R-Y
SIGNAL
CRYSTAL INPUT
Y SIGNAL
uPD41254C-1 5 (NEC) (ACCESS TIME
N-MOS 65536-WORD BY 4-BiT DYVAATC =
— TOP VIEW —
= 150nS)
OE
D 1
D
2
WE
RAS
GND 18
CAS
AO
A 1
A 2
A3
A4
A5
A6
A7
A
6
A5
A 4
a
V DO
H-5V)
A 1
A 2
A3
A7
AO —A7
CAS
01- 04
OE
RAS
WE
CAS RAS OE
WE
Ms ?-
?4
ADDRESS INPUT
COLUMN ADDRESS STRC
DATA IN/OUT
OUTPUT ENABLE
ROW ADDRESS STROBE
WRITE ENABLE
MODE
WRITE
READ
CONTROL
eI5e
DATA
D1 ~D4
DATA IN
DATA OUT
Hl-Z
0 ; LOW LEVEL
1 ; HIGH LEVEL
x ; don't care
H I -Z ; HIGH IMPEDANCE
6
«-B
10-14
A 0-
A7
-k
ROW
ROW
) DECODE
ADDRESS
^
MEMORY
ARRAY
32KX4
BUFFER
COLUMN
DECOOE
AMP
SENSE
REFRESH
CONTROL
AMP
COLUMN
DECODE
'-A
ROW
MEMORY
-/ DECODE
ARRAY
COLUMN
32KX4
DATA IN
REGISTEI
IN/OUT
OATA Cl
BUFFER
4
REGiST?
ADDRESS
BUFFER
A0-A7
RAS
WE
TIMING
AND
CC*~ROL
HB-501 P/501 F
4-7
Advertisement
Chapters
Table of Contents
