Tv Control Microcontrollers (Lc863 Series) - Sanyo EP58B Catalogue

TV Control Microcontrollers
LC8632/34/38/3A
Overview
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 s. 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 2 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.
Functions
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)
2
I 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
X'tal
RC
VCO
PLL
ROM correction
2
I C
SIO 0
Timer 0
interface
Timer 1
Clock time
base timer
ADC
INT0 to INT3
noise rejection filters
PWM
Data slicer
OSD
control
circuit
37
SANYO TV . VCR
Series (NTSC)
Block Diagram
IR PLA
ROM
PC
ACC
control
Register B
XRAM
Register C
Bus
Port 1
ALU
Port 6
PSW
Port 7
RAR
Port 8
RAM
Stack pointer
CGROM
control
Port 0
VRAM
Watchdog timer
LC8632 Series
TV Control Microcontrollers
LC8633/35/3BXX
Overview
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 s. 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 2 C bus compatible serial interface, and OSD circuits.
These microcontrollers can implement TV control in a single chip.
Functions
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)
I 2 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
Block Diagram
Interrupt control
Standby control
X'tal
RC
VCO
PLL
ROM correction
2
I C
control
SIO 0 XRAM
Bus
Timer 0
interface
Port 1
Timer 1
Clock time
Port 6
base timer
ADC Port 7
INT0 to INT3
Port 8
noise rejection filters
PWM
OSD
control
circuit
Series (PAL)
IR PLA
ROM
PC
ACC
Register B
Register C
ALU
PSW
RAR
RAM
Stack pointer
CGROM
control
Port 0
VRAM
Watchdog timer
LC8633 Series
SANYO TV . VCR
38