ST92195B6 查看數據表（PDF） - STMicroelectronics

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ST92195B6

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

STMicroelectronics 

ST92195B - GENERAL DESCRIPTION

INTRODUCTION (Cont’d)

Figure 1. ST92195B Block Diagram

Up to 64

Kbytes ROM

256 bytes

RAM

Up to 8

Kbytes TRI

TDSRAM

NMI

INT[7:4]

INT2

INT0

OSCIN

OSCOUT

RESET

RESETO

SDO/SDI

SCK

MCFM

STO UT

VSO[2:1]

256 bytes

Register File

8/16-bit

CPU

MMU

Interrupt

Management

ST9+ CORE

RCCU

16-BIT

TIMER/

WATCHDOG

SPI

TIMING AND

CLOCK CTRL

STANDARD

TIMER

VOLTAGE

SYNTHESIS

I/O

PORT 0

8 P0[7:0]

I/O

PORT 2

I/O

PORT 3

6 P2[5:0]

4 P3[7:4]

I/O

PORT 4

8 P4[7:0]

I/O

PORT 5

2 P5[1:0]

DATA

SLICER

& ACQUI-

SITIO N

UNIT

SYNC.

EXTRAC-

TION

VPS/WSS

DATA

SLICER

ADC

TXCF

CVBS1

WSCR

WSCF

CVBS2

AIN[4:1]

EXTRG

SYNC

CONTROL

ON

SCREEN

DISPLAY

PWM

D/A CON-

VERTER

VSYNC

HSYNC/CSYNC

CSO

FREQ.

MULTIP.

PXFM

R/G/B/FB

TSLU

HT

PWM[7:0]

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

4/22

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