MAX6852 MAXIM [Maxim Integrated Products], MAX6852 Datasheet - Page 31

• Manufacturer Part Number: MAX6852
• Description: 4-Wire Interfaced, 5 x 7 Matrix Vacuum- Fluorescent Display Controller
• Manufacturer: MAXIM [Maxim Integrated Products]

Table 40. PORT1 Register Format
General-purpose output, logic 0.
General-purpose output, logic 1.
This is the power-up condition.
Output gives blink status: 0 if blink phase
P0; 1 if blink phase P1.
DOUT output.
Inverted 625Hz square-wave output 1 in
shutdown.
Inverted 1250Hz square-wave output 1 in
shutdown.
Inverted 2500Hz square-wave output 1 in
shutdown.
Output gives inverted shutdown status:
1 if shutdown mode; 0 if operating mode.
DOUT
OSC1
OSC2
CLK
DIN
CS
PORT1 PORT BEHAVIOR
CHARACTER-
GENERATOR
OUTPUT
ROM
MAP
RAM
GENERATOR
______________________________________________________________________________________
CLOCK
RAM
4-Wire Interfaced, 5
4-WIRE SERIAL INTERFACE
Functional Diagram
CONFIGURATION
REGISTERS
BRIGHTNESS
CONTROL
FILAMENT
OUTPUTS
OUTPUT
SHIFTER
PWM
USER
PWM
COMMAND
Fluorescent Display Controller
ADDRESS
0x0D
0x0D
0x0D
0x0D
0x0D
0x0D
0x0D
0x0D
VFBLANK
VFDOUT
VFCLK
VFLOAD
PHASE 1
PHASE 2
PUMP
PORT 0
PORT 1
D7
X
X
X
X
X
X
X
X
TRANSISTOR COUNT: 197,738
PROCESS: CMOS
D6
X
X
X
X
X
X
X
X
✕
D5
X
X
X
X
X
X
X
X
REGISTER DATA
TOP VIEW
VFBLANK
VFDOUT
VFLOAD
7 Matrix Vacuum-
PHASE1
PHASE2
VFCLK
PUMP
D4
X
X
X
X
X
X
X
X
V+
1
2
3
4
5
6
7
8
D3
X
X
X
X
X
X
X
X
MAX6852
QSOP
D2
Pin Configuration
0
0
0
0
1
1
1
1
Chip Information
D1
0
0
1
1
0
0
1
1
16
15
14
13
12
11
10
9
OSC2
OSC1
PORT1
CS
DIN
SCLK
PORT0
GND
D0
0
1
0
1
0
1
0
1
HEX CODE
0xX0
0xX1
0xX2
0xX3
0xX4
0xX5
0xX6
0xX7
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