HCMS-39X2 HP [Agilent(Hewlett-Packard)], HCMS-39X2 Datasheet - Page 12

• Manufacturer Part Number: HCMS-39X2
• Description: 3.3 V High Performance CMOS 5x7 AlphaNumeric Displays
• Manufacturer: HP [Agilent(Hewlett-Packard)]

REGISTER
Figure 6. Block diagram for HCMS-39xx.
12
ENABLE
DATA IN
SELECT
SELECT
BLANK
RESET
CHIP
OSC
OSC
CLK
L
H
D Q
(LATCHED)
÷8
OSCILLATOR
RS
PRESCALE
H
L
DATA IN
CLR
VALUE
H
H
L
L
RST
CONTROL
REFRESH
REGISTER
CONTROL
SER/PAR
MODE
PWM BRIGHTNESS
RS (LATCHED)
REFERENCE
CURRENT
DATA
CONTROL
OUT
H
GND (LED)
H
L
COLUMN 0
L
DO
0
CHAR 0
40 BIT
S.R.
x x x x
DATA OUT
DI
ANODE
x x x x x
DO
CHAR 1
40 BIT
S.R.
DI
CURRENT SOURCES
x x x x x
DO
CHAR 2
40 BIT
S.R.
DI
x x x x x
DO
CHAR 3
40 BIT
S.R.
COLUMN 19
DI
ROW 7
ROW 1
ROW 0 (NO LEDS)
DOT
REGISTER
BIT # 159
DOT
REGISTERS
AND
LATCHES
V LED +