ST92185B3BJ1 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST92185B3BJ1

16K/24K/32K ROM HCMOS MCU WITH ON-SCREEN-DISPLAY

STMicroelectronics 

ST92185B - GENERAL DESCRIPTION

INTRODUCTION (Cont’d)

Figure 1. ST92185B Block Diagram

24/32 Kbytes

ROM

256 bytes

RAM

2 Kbytes

TDSRAM TRI

NMI

INT[7:4]

INT2

INT0

OSCIN

OSCOUT

RESET

RESETO

SDO/SDI

SCK

MCFM

STOUT

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

ADC

2 P5[1:0]

AIN[4:1]

EXTRG

SYNC

CONTROL

ON

SCREEN

DISPLAY

VSYNC

HSYNC/CSYNC

CSO

FREQ.

MULTIP.

PXFM

R/G/B/FB

TSLU

HT

PWM

D/A CON-

VERTER

PWM[7:0]

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

8/178

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