SAA5296 Ver la hoja de datos (PDF) - Philips Electronics

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SAA5296

Economy teletext and TV microcontrollers

Philips Electronics 

Philips Semiconductors

Economy teletext and TV microcontrollers

Preliminary specification

SAA5x9x family

REGISTER

FUNCTION

Serial Interface Data Register (S1DAT); note 1

DAT7 to DAT0

I2C-bus data

Serial Interface Status Register (S1STA) - READ only; note 1

STAT4 to STAT0

I2C-bus interface status

Serial Interface Data Register (S1BIT) - READ; note 2

SDI

I2C-bus data bit input

Serial Interface Data Register (S1BIT) - WRITE; note 2

SDO

I2C-bus data bit output

Serial Interface Interrupt Register (S1INT); note 2

SI

I2C-bus interrupt flag

Serial Interface Control Register (S1SCS) - READ; note 2

SDI

serial data input at SDA

SCI

serial clock input at SCL

CLH

clock LOW-to-HIGH transition flag

BB

bus busy flag

RBF

read bit finished flag

WBF

write bit finished flag

STR

clock stretching enable (logic 1)

ENS

enable serial I/O (logic 1)

Serial Interface Control Register (S1SCS) - WRITE; note 2

SDO

serial data output at SDA

SCO

serial clock output at SCL

CLH

clock LOW-to-HIGH transition flag

STR

clock stretching enable (logic 1)

ENS

enable serial I/O (logic 1)

Software ADC Control Register (SAD)

VHI

comparator output indicating that analog input voltage greater than DAC voltage (logic 1)

CH1 and CH0

ADC input channel selection bits; see Table 11

ST

initiate voltage comparison (logic 1); this bit is automatically reset to logic 0

SAD7 to SAD4

4 MSB’s of DAC input value

1997 Jul 07

20

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