SAA7390 Просмотр технического описания (PDF) - Philips Electronics

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производитель

SAA7390

High performance Compact Disc-Recordable (CD-R) controller

Philips Electronics 

Philips Semiconductors

High performance Compact

Disc-Recordable (CD-R) controller

Preliminary specification

SAA7390

handbook, full pagCeLwOidCthK

QA

QB

QC

RAS

CAS

ADDRESS ROW

DATA

WRITE

COL1

DATA1

COL2

DATA2

COL3

DATA3

COL4

DATA4

MGE521

Fig.11 Host interface standard burst access write cycle (3 clocks).

8 MICROCONTROLLER INTERFACE

8.1 Microprocessor interface status register

Table 1 NUM_COR register: 0xF08E; note 1

DATA BYTE

MNEMONIC

R/W

7

6

5

4

3

2

1

0

NUM_COR

R

NUM_COR7 to NUM_COR0

Note

1. Register 0xF08E indicates the number of corrections performed during the most recently executed

CORRECT_P_SYNDROMES or CORRECT_Q_SYNDROMES command. Note that NUM_COR is only valid after

completion of the CORRECT_P_SYNDROMES or CORRECT_Q_SYNDROMES command, and becomes invalid

upon execution of any other command.

Table 2 ECC_STATUS register: 0xF086; note 1

DATA BYTE

MNEMONIC R/W

7

6

5

4

3

2

1

0

ECCSTAT

R

−

−

− FLG_EQ0 CRC_EQ0 PS_EQ0 QS_EQ0 ECC_ACT

Note

1. Register 0xF086 provides status information on the current or last ECC command.

1996 Jul 02

17

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