Sony BVP-900P Maintenance Manual page 156

IC
UPD6466GS-515 (NEC)FLAT PACKAGE
C-MOS ON-SCREEN CHARACTER DISPLAY
—TOP VIEW—
CLK 1 20
IN
CS
2 19
IN
DATA 3 18
IN
PCL
4 17
IN
V
DD
5 16
CMDCT 6 15
IN
OSC 7 14
OUT
OSC 8 13
IN
TEST 9 12
10 GND 11
* IN ( ) ARE SET BY SETTING WITH INITIAL CONDITION SETTING COMMAND.
2
CS
6
CMDCT
3
DATA INPUT
DATA
1
CLK
DISPLAY
CONT.
REGISTER
8
OSC
OSC
7
CIRCUIT
OSC
20
HSYNC
SYNC
PROTECTION
CIRCUIT
19
VSYNC
9
TEST
4
PCL
CXD8892Q (SONY)
C-MOS PARALLEL TO SERIAL CONVERTER
—TOP VIEW—
34
35
36
37
38
39 V
DD
40
41
42
43
44
PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO.
CS
1 I 12 O
IOW
2 I 13 O
RD
3 I 14 O
4 O CK 15 O
5 I SCKI 16 O
6 O SCKO 17 —
7 — NC 18 O
8 O TOUT0 19 O
9 O TOUT1 20 O
10 O TOUT2 21 O
11 O TOUT3 22 —
2-30
INPUT
HSYNC
CLK : CLOCK
IN
CS
: CHIP SELECT
VSYNC
CMDCT : COMMAND SELECT
IN
DATA : SERIAL DATA
HSYNC
: HORIZONTAL SYNC
VB
OUT
OSC : OSCILLATOR
PCL
: POWER ON CLEAR
VG
OUT
VSYNC
: VERTICAL SYNC
VR
OUT
OUTPUT
BLK1, BLK2 : BLANKING 1, 2
VBLK (BBLK)
OUT
BBLK : BLANKING B
OSC : OSCILLATOR
VC2 (GBLK)
OUT
GBLK : BLANKING G
RBLK : BLANKING R
BLK2 (RBLK)
OUT
VBLK : BLANKING
VC1, VC2 : CHARACTER 1, 2
VC1
OUT
VR, VG, VB : CHARACTER R, G, B
BLK1
OUT
OTHER
TEST : TEST
INSTRUCTION
SHIFT
DECODER
REGISTER
HORIZONTAL WRITE
CHARACTER
SIZE ADDRESS ADDRESS
REGISTER REGISTER COUNTER
DATA
SELECTOR
HORIZONTAL HORIZONTAL
HORIZONTAL
POSITION ADDRESS
SIZE
COUNTER COUNTER
COUNTER
VERTICAL
ADDRESS
REGISTER
VERTICAL
VERTICAL VERTICAL
SIZE POSITION ADDRESS
COUNTER COUNTER COUNTER
NC 22
21
20
19
18
GND 17
16
15
14
13
12
PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO.
SOCK 23 — NC 34 I/O D4
SDA0 24 — NC 35 I/O D3
LD0 25 — NC 36 I/O D2
SDA1 26 — NC 37 I/O D1
LD1 27 — NC 38 I/O D0
GND 28 I TIN 39 — V
DD
TE RST
SDA2 29 I 40 I
LD2 30 — NC 41 I A3
SDA3 31 I/O D7 42 I A2
LD3 32 I/O D6 43 I A1
NC 33 I/O D5 44 I A0
CONTROL SIGNAL
VIDEO RAM
BACK-
CHARA- COLOR PRINTER INVERT OUTPUT GROUND
CTER DATA DATA DATA SETTING
CONT.
DATA DATA
DATA
9-BIT 3-BIT 1-BIT 1-BIT 1-BIT
REGISTER
x x x x x
288 WORD 288 WORD 288 WORD 288 WORD 288 WORD
CHARACTER
GENERATOR
ROM
12 x 18-BIT
x
512 WORD
OUTPUT CONTROLLER
16 17 18 15 12 11 14 13
INPUT
A0 - A3 : ADDRESS
CS
: CHIP SELECT
IOW
: I/O WRITE
RD
: I/O READ
RST
: RESET
SCKI : SERIAL CLOCK
TE
: TEST ENABLE
TIN : TEST
OUTPUT
CK : CLOCK
LD0 - LD3 : LOAD PULSE
SCKO : SERIAL CLOCK
SDA0 - SDA3 : SERIAL DATA
SOCK : SERIAL OUTPUT CLOCK
TOUT0 - TOUT3 : TEST
INPUT/OUTPUT
D0 - D7 : DATA
BVP-900
BVP-900P