Sanyo EP58B User Manual download pdf (Page 20)

LC8632/34/38/3A Series (NTSC)

PLA

ROM

ACC

ALU

PSW

RAR

RAM

VCO

PLL

X'tal

SIO 0

ADC

PWM

XRAM

VRAM

37 38

SANYO TV . VCR SANYO TV . VCR

LC8633/35/3BXX Series (PAL)

PLA

ROM

ACC

ALU

PSW

RAR

RAM

VCO

PLL

X'tal

SIO 0

ADC

PWM

XRAM

VRAM

The LC8632/LC8634/LC8638/LC863A Series are closed caption TV control 8-bit microcontrollers that integrate an extensive set of

peripheral functions around a CPU core that operates with a minimum cycle time of 0.424 µs. The peripheral functions include 16 to

64 KB of program ROM, 16 KB of CGROM, 384 to 640 bytes of RAM, 352 9 bits of CRT display RAM, as well as 16-bit timer/

counter, PWM, A/D converter, I

C bus compatible serial interface, closed caption data slicer, and closed caption OSD circuits.

These microcontrollers can implement TV control and closed caption display in a single chip.

Overview

Functions

Overview

Functions

Block Diagram Block Diagram

TV Control Microcontrollers TV Control Microcontrollers

OSD function

· Screen display: 36 characters 16 lines (supported in software)

· Number of characters: 252 characters in a 16 32 dot font (Of these, 4 characters including one test character are fixed.)

· Simple graphics function (A font in which a single character is 16 16 dots and can be painted with 4 colors)

C bus multi-master serial interface: One built-in circuit with two sets of pins

Flash memory versions are available for each series and allow onboard programming

Interrupt control

Standby control

Clock

generator

ROM correction

control

Timer 0

Timer 1

Bus

interface

Port 1

Port 6

Port 7

Port 8

Port 0

Clock time

base timer

INT0 to INT3

noise rejection filters

Data slicer

OSD

control

circuit

CGROM

control

Stack pointer

Watchdog timer

LC8632 Series

Interrupt control

Standby control

Clock

generator

ROM correction

control

Timer 0

Timer 1

Bus

interface

Port 1

Port 6

Port 7

Port 8

Port 0

Clock time

base timer

INT0 to INT3

noise rejection filters

OSD

control

circuit

CGROM

control

Stack pointer

Watchdog timer

LC8633 Series

The LC8633/LC8635/LC863BXX Series are TV control 8-bit microcontrollers that integrate an extensive set of peripheral functions

around a CPU core that operates with a minimum cycle time of 0.424 µs. The peripheral functions include 16 to 64 KB of program

ROM, 16 KB of CGROM, 384 or 512 bytes of RAM, 176 or 352 9 bits of CRT display RAM, and two 16-bit timer/counter circuits,

as well as PWM, A/D converter, I

C bus compatible serial interface, and OSD circuits.

These microcontrollers can implement TV control in a single chip.

OSD function

· Screen display: 36 characters 8 lines (supported in software)

· Number of characters: 252 characters in a 16 32 dot font (Of these, 4 characters including one test character are fixed.)

· Simple graphics function (A font in which a single character is 16 16 dots and can be painted with 4 colors)

C bus multi-master serial interface: One built-in circuit with two sets of pins

Flash memory versions are available for each series and allow onboard programming

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Sanyo EP58B User Manual Page 20

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