IC
UPD6466GS-515 (NEC)FLAT PACKAGE
C-MOS ON-SCREEN CHARACTER DISPLAY
NTOP VIEWN
INPUT
CLK IN
1
20
HSYNC IN
CLK
: CLOCK
CS
: CHIP SELECT
CS IN
2
19
VSYNC IN
CMDCT
: COMMAND SELECT
DATA
: SERIAL DATA
DATA IN
3
18
VB OUT
HSYNC
: HORIZONTAL SYNC
OSC
: OSCILLATOR
PCL IN
4
17
VG OUT
PCL
: POWER ON CLEAR
VSYNC
: VERTICAL SYNC
5
VDD16
VR OUT
OUTPUT
CMDCT IN
6
15
VBLK (BBLK) OUT
BLK1, BLK2
: BLANKING 1, 2
BBLK
: BLANKING B
OSC OUT
7
14
VC2 (GBLK) OUT
OSC
: OSCILLATOR
GBLK
: BLANKING G
OSC IN
8
13
BLK2 (RBLK) OUT
RBLK
: BLANKING R
VBLK
: BLANKING
TEST 9
12
VC1 OUT
VC1, VC2
: CHARACTER 1, 2
VR, VG, VB
: CHARACTER R, G, B
10GND11BLK1 OUT
OTHER
TEST: TEST
* IN ( ) ARE SET BY SETTING WITH INITIAL CONDITION SETTING COMMAND.
CS2
6
CMDCT
3
DATADATA INPUT
INSTRUCTION
CLK 1SHIFT
DECODERCONTROL SIGNAL
REGISTER
DISPLAY
CHARACTER
HORIZONTAL
WRITE
VIDEO RAM
CONT.
SIZE
ADDRESS
ADDRESS
REGISTERREGISTERREGISTERCOUNTERBACK-
CHARA-
COLOR
PRINTER
INVERT
OUTPUT
GROUND
DATA
CTER
DATA
DATA
DATA
SETTING
SELECTORDATA
DATA
CONT.
9-BIT
3-BIT
1-BIT
1-BIT
1-BIT
DATA
HORIZONTAL
HORIZONTAL
HORIZONTAL
x
x
x
x
x
REGISTER
SIZE
POSITION
ADDRESS
288 WORD288 WORD 288 WORD 288 WORD 288 WORD
COUNTERCOUNTERCOUNTER
8
OSCOSC
CHARACTER
7
OSCCIRCUITVERTICAL
GENERATOR
ADDRESS
ROM
REGISTER12 x 18-BIT
x
512 WORD
20VERTICAL
VERTICAL
VERTICAL
HSYNCSYNC
SIZE
POSITION
ADDRESS
PROTECTION
COUNTERCOUNTERCOUNTEROUTPUT CONTROLLER
19
VSYNCCIRCUIT
1617181512111413
9
TESTVRVGVBVC1BLK1
4PCL
* (BBLK) VBLK* (GBLK) VC2* (RBLK) BLK2
2-30BVP-950
BVP-950P |
ACEC
