ST92195B datasheet(4/22 Pages) STMICROELECTRONICS

部件名	ST92195B

功能描述	32-64K ROM HCMOS MCU WITH ON-SCREEN-DISPLAY AND TELETEXT DATA SLICER

PDF	22 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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ST92195B - GENERAL DESCRIPTION

INTRODUCTION (Cont’d)

Figure 1. ST92195B Block Diagram

I/O

PORT 0

VOLTAGE

SYNTHESIS

PWM

D/A CON-

VERTER

SPI

I/O

PORT 4

I/O

PORT 5

Up to 64

Kbytes ROM

DATA

SLICER

& ACQUI-

SITIO N

UNIT

SYNC.

EXTRAC-

TION

Up to 8

Kbytes

TDSRAM

TRI

256 bytes

RAM

STANDARD

TIMER

TIMI NG AND

CLOCK CTRL

16-BIT

TIMER/

WATCHDOG

VPS/WSS

DATA

SLICER

I/O

PORT 2

ADC

CVBS1

I/O

PORT 3

SYNC

CONTROL

VSYNC

HSYNC/CSYNC

SCREEN

DISPLAY

FREQ.

MULTIP.

PXFM

NMI

INT[7:4]

INT2

256 bytes

ST9+ CORE

8/16-bit

CPU

Interrupt

Management

RCCU

OSCIN

OSCOUT

RESET

RESETO

P0[7:0]

WSCR

WSCF

CVBS2

R/G/B/FB

PWM[7:0]

SDO/SDI

SCK

INT0

STOUT

MMU

MCFM

TXCF

TSLU

AIN[4:1]

VSO[2:1]

EXTRG

P2[5:0]

P4[7:0]

P5[1:0]

P3[7:4]

CSO

All alternate functions

(Italic characters) are mapped on Ports 0, 2, 3, 4 and 5

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