SAA5665 Ver la hoja de datos (PDF) - Philips Electronics

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SAA5665

Enhanced TV microcontrollers with On-Screen Display (OSD)

Philips Electronics 

Philips Semiconductors

Enhanced TV microcontrollers with

On-Screen Display (OSD)

Product specification

SAA56xx

Table 5 SFR bit description

BITS

FUNCTION

Accumulator (ACC)

ACC7 to ACC0

accumulator value

B Register (B)

B7 to B0

B register value

CC Base Pointer (CCBASE)

CCBASE7 to CCBASE0

Closed Caption display base pointer

CC data byte 1 (CCDAT1)

CCD17 to CCD10

Closed Caption first data byte

CC data byte 2 (CCDAT2)

CCD26 to CCD20

Closed Caption second data byte

CC line (CCLIN)

CS4 to CS0

Closed Caption slice line using 525-line number

Data Pointer High byte (DPH)

DPH7 to DPH0

data pointer high byte, used with DPL to address auxiliary memory

Data Pointer Low byte (DPL)

DPL7 to DPL0

data pointer low byte, used with DPH to address auxiliary memory

External Interrupt (EXTINT) (n = 2 to 5)

EXnCFG<1:0> = 00

active LOW interrupt

EXnCFG<1:0> = 01

EXnCFG<1:0> = 10

rising edge interrupt

falling edge interrupt

EXnCFG<1:0> = 11

both rising and falling edge interrupt

General Purpose Registers (GPR1 to GPR20) (n = 1 to 21)

GPRn<7:0>

general purpose read/write registers available for use by the embedded software

Interrupt Enable Register 0 (IEN0)

EA

EBUSY

ES2

disable all interrupts (logic 0), or use individual interrupt enable bits (logic 1)

enable BUSY interrupt

enable I2C-bus interrupt

ECC

ET1

enable Closed Caption interrupt

enable Timer 1 interrupt

EX1

enable external interrupt 1

ET0

enable Timer 0 interrupt

EX0

enable external interrupt 0

2001 Dec 13

18

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