UPSD3233 データシートの表示（PDF） - STMicroelectronics

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UPSD3233

Flash Programmable System Devices with 8032 Microcontroller Core and 64 Kbit SRAM

STMicroelectronics 

uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV

SFR

Addr

Reg

Name

7

6

Bit Register Name

5

4

3

2

1

0

Reset

Value

Comments

CA RCAP2L

00

Timer 2

Reload low

CB RCAP2H

00

Timer 2

Reload High

CC TL2

00

Timer 2 Low

byte

CD TH2

00

Timer 2 High

byte

D0 PSW

CY

AC

FO

RS1 RS0

OV

P

00

Program

Status Word

D1 S1SETUP

00 DDC I2C

(S1) Setup

D2 S2SETUP

00

I2C (S2)

Setup

D4 RAMBUF

XX

DDC Ram

Buffer

D5 DDCDAT

00

DDC Data

xmit register

D6 DDCADR

00

Addr pointer

register

D7 DDCCON —

EX_DAT SWENB DDC_AX DDCINT DDC1EN SWHINT M0

00

DDC Control

Register

D8 S1CON CR2

ENI1 STA STO ADDR AA

CR1

CR0

00 DDC I2C

Control Reg

D9 S1STA

GC

Stop

Intr TX-Md Bbusy Blost ACK_R SLV

00 DDC I2C

Status

DA S1DAT

00

Data Hold

Register

DB S1ADR

00 DDC I2C

address

DC S2CON CR2

EN1 STA STO ADDR AA

CR1

CR0

00

I2C Bus

Control Reg

DD S2STA

GC

Stop

Intr TX-Md Bbusy Blost ACK_R SLV

00

I2C Bus

Status

DE S2DAT

00

Data Hold

Register

DF S2ADR

00 I2C address

E0 ACC

00 Accumulator

E1 USCL

8-bit

00 Prescaler for

USB logic

E6

UDT1

UDT1.7

UDT1.6 UDT1.5 UDT1.4 UDT1.3 UDT1.2 UDT1.1 UDT1.0

00

USB Endpt1

Data Xmit

31/170

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