Features: • A wide instruction set (213 instructions) which covers various types of data
16-bit operation/multiplication and division/Boolean bit operation instructions
• Minimum instruction cycle 333ns at 12MHz operation
• Incorporated ROM 40K bytes (CXP85840A) 48K bytes (CXP85848A) 56K bytes (CXP85856A)
• Incorporated RAM 2176 bytes (Excludes closed caption decoder and VRAM for on-screen display)
• Peripheral functions
A/D converter 8-bit 6-channel successive approximation method (Conversion time of 26.7µs at 12MHz)
Serial interface 8-bit clock sync type, 1 channel
Timer 8-bit timer 8-bit timer/counter 19-bit time-base timer
Closed caption decoder Data slicer
Corresponds to FCC (EDS supported), 8*13 dots, 192 character types 15 character colors, 4 lines *34 characters frame background 15 colors/ half blanking italic, underline, vertical scrolling
On-screen display (OSD) function 12 ´ 16 dots, 192 character types, 15 character colors 2 lines *24 characters frame background 8 colors/ half blanking background on full screen 15 colors/ half blanking edging and vertical scrolling for every line jitter elimination circuit sprite OSD, 12 *16 dots, 1 screen, 8 colors for every dot
I2C bus interface
PWM output 8 bits, 8 channels
Remote control reception circuit 8-bit pulse measurement counter, 6-stage FIFO
HSYNC counter 2 channels
Watchdog timer
• Interruption 15 factors, 15 vectors, multi-interruption possible
• Standby mode Sleep
• Package 64-pin plastic SDIP/QFP
• Piggyback/evaluator CXP85890A 64-pin ceramic PSDIP (Supports custom font) Silicon gate CMOS ICPinoutSpecifications
Item |
Symbol |
Rating |
Unit |
Remarks |
Supply voltage |
VDD |
0.3 to +7.0 |
V |
|
Input voltage |
VIN |
0.3 to +7.0*1 |
V |
|
Output voltage |
VOUT |
0.3 to +7.0*1 |
V |
|
Mid-voltage drive output voltage |
VOUTP |
0.3 to +15.0 |
V |
PF0 to PF3 pins |
High level output current |
IOH |
5 |
mA |
|
High level total output current |
IOH |
50 |
mA |
Total of all output pins |
Low level output current |
IOL |
15 |
mA |
Ports excluding large current output (value per pin) |
IOLC |
20 |
mA |
Large current output ports (value per pin*2) |
Low level total output current |
IOL |
130 |
mA |
Total for all outputs |
Operating temperature |
Topr |
20 to +75 |
°C |
|
Storage temperature |
Tstg |
55 to +150 |
°C |
|
Allowable power dissipation |
PD |
600 |
mW |
SDIP-64P-01 |
380 |
mW |
GFP-64P-L01 |
DescriptionThe CXP85856A are the CMOS 8-bit microcomputer integrating on a single chip an A/D converter, serial interface, timer/counter, time-base timer, closed caption decoder, data slicer, on-screen display function, I
2C bus interface, PWM output,remote control reception circuit, HSYNC counter and watchdog timer, besides the basic configurations of 8-bit CPU, ROM, RAM, I/O ports.
The CXP85856A also provide a power-on reset function and sleep function that enables to lower the power consumption.