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LC863448B Dataheets PDF



Part Number LC863448B
Manufacturers Sanyo Semicon Device
Logo Sanyo Semicon Device
Description (LC8634xxB) 8-bit 1-chip Microcontroller
Datasheet LC863448B DatasheetLC863448B Datasheet (PDF)

Ordering number : ENN7935 LC863448B, LC863440B LC863432B, LC863428B LC863424B, LC863420B LC863416B Overview CMOS IC FROM 48K/40K/32K/28K/24K/20K/16K-byte, RAM 640/512-byte on-chip and 352 × 9-bit OSD RAM 8-bit 1-chip Microcontroller The LC863448/40/32/28/24/20/16B are 8-bit single chip microcontrollers with the following on-chip functional blocks : • CPU : Operable at a minimum bus cycle time of 0.424µs • On-chip ROM capacity Program ROM : 48K/40K/32K/28K/24K/20K/16K-bytes CGROM : 16K- bytes.

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Ordering number : ENN7935 LC863448B, LC863440B LC863432B, LC863428B LC863424B, LC863420B LC863416B Overview CMOS IC FROM 48K/40K/32K/28K/24K/20K/16K-byte, RAM 640/512-byte on-chip and 352 × 9-bit OSD RAM 8-bit 1-chip Microcontroller The LC863448/40/32/28/24/20/16B are 8-bit single chip microcontrollers with the following on-chip functional blocks : • CPU : Operable at a minimum bus cycle time of 0.424µs • On-chip ROM capacity Program ROM : 48K/40K/32K/28K/24K/20K/16K-bytes CGROM : 16K- bytes • On-chip RAM capacity : 640/512-bytes • OSD RAM : 352 × 9-bits • Closed-Caption TV controller and the on-screen display controller • Closed-Caption data slicer • Four channels × 6-bit AD Converter • Three channels × 7-bit PWM • 16-bit timer/counter, 14-bit base timer • IIC-bus compliant serial interface circuit (Multi-master type) • ROM correction function • 12-source 8-vectored interrupt system • Integrated system clock generator and display clock generator Only one X’tal oscillator (32.768kHz) for PLL reference is used for both generators TV control and the Closed Caption function All of the above functions are fabricated on a single chip. Ver.0.92 62102 73004 JO IM No.7935-1/17 LC863448B/40B/32B/28B/24B/20B/16B Features ■Read-Only Memory (ROM) : 49152 × 8-bits/40960 × 8-bits/32768 × 8-bits/ 28672 × 8-bits/24576 × 8-bits/20480 × 8-bits/ 16384 × 8-bits for program 16128 × 8-bits for CGROM ■Random Access Memory (RAM) : 512 × 8-bits (working area) : LC863448B/40B 384 × 8-bits (working area) : LC863432B/28B/24B/20B/16B 128 × 8-bits (working or ROM correction function) 352 × 9-bits (for CRT display) ■OSD functions • Screen display : 36 characters × 16 lines (by software) • RAM : 352 words (9-bits per word) Display area : 36 words × 8 lines Control area : 8 words × 8 lines • Characters Up to 252 kinds of 16 × 32 dot character fonts (4 characters including 1 test character are not programmable) Each font can be divided into two parts and used as two fonts (Ex. 16 × 16 dot character font × 2) At least 111 characters need to be divide between a 16 × 17 dot and 8 × 9 dot character font to display the caption fonts. • Various character attributes Character colors : 16 colors (analog mode : l Vp-p output) /8 colors (digital mode) Character background colors : 16 colors (analog mode : l Vp-p output) /8 colors (digital mode) Fringe/shadow colors : 16 colors (analog mode : l Vp-p output) /8 colors (digital mode) Full screen colors : 16 colors (analog mode : l Vp-p output) /8 colors (digital mode) Rounding Underline Italic character (slanting) • Attribute can be changed without spacing • Vertical display start line number can be set for each row independently (Rows can be overlapped) • Horizontal display start position can be set for each row independently • Horizontal pitch (bit 9 to 16) *1 and vertical pitch (bit 1 to 32) can be set for each row independently • Different display modes can be set for each row independently Caption • Text mode/OSD mode 1/OSD mode 2 (Quarter size) /Simplified graphic mode • Ten character sizes *1 Horez. × Vert. = (1 × 1), (1 × 2), (2 × 2), (2 × 4), (0.5 × 0.5) (1.5 × 1), (1.5 × 2), (3 × 2), (3 × 4), (0.75 × 0.5) • Shuttering and scrolling on each row • Simplified Graphic Display *1 Note : range depends on display mode : refer to the manual for details. ■Data Slicer (closed caption format) • Closed caption data and XDS data extraction • NTSC/PAL, and extracted line can be specified ■Bus Cycle Time/Instruction-Cycle Time Bus cycle time 0.424µs 7.5µs 91.55µs 183.1µs Instruction cycle time 0.848µs 15.0µs 183.1µs 366.2µs Clock divider 1/2 1/2 1/1 1/2 System clock oscillation Internal VCO (Ref : X'tal 32.768kHz) Internal RC Crystal Crystal Oscillation frequency 14.156MHz 800kHz 32.768kHz 32.768kHz Voltage 4.5V to 5.5V 4.5V to 5.5V 4.5V to 5.5V 4.5V to 5.5V ■Ports • Input/Output Ports : 4 ports (23 terminals) Data direction programmable in nibble units : 1 port (8 terminals) (If the N-ch open drain output is selected by option, the corresponding port data can be read in output mode.) Data direction programmable for each bit individually : 3 ports (15 terminals) No.7935-2/17 LC863448B/40B/32B/28B/24B/20B/16B ■AD converter • 4 channels × 6-bit AD converters ■Serial interfaces • IIC-bus compliant serial interface (Multi-master type) Consists of a single built-in circuit with two I/O channels. The two data lines and two clock lines can be connected internally. ■PWM output • 3 channels × 7-bit PWM ■Timer • Timer 0 : 16-bit timer/counter With 2-bit prescaler + 8-bit programmable prescaler Mode 0 : Two 8-bit timers with a programmable prescaler Mode 1 : 8-bit timer with a programmable prescaler + 8-bit counter Mode 2 : 16-bit timer with a programmable prescaler Mode 3 : 16-bit counter The resolution of timer is 1 tCYC. • Base timer Generate every 500ms overflow for a clock application (using 32.768kHz crystal oscillation for the base timer clock) Generate every 976µs, 3.9ms, 15.6ms, 62.5ms overflow (usin.


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