SAA7385GP Philips Semiconductors, SAA7385GP Datasheet - Page 2

• Manufacturer Part Number: SAA7385GP
• Description: Error correction and host interface IC for CD-ROM SEQUOIA
• Manufacturer: Philips Semiconductors

Philips Semiconductors
CONTENTS
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
2
3
4
5
6
7
7.1
7.2
7.3
7.4
8
8.1
8.2
8.3
8.4
9
9.1
9.2
10
10.1
10.2
1996 Jun 19
Error correction and host interface IC
for CD-ROM (SEQUOIA)
FEATURES
General
53CF94 SCSI controller
80C32 high-speed microcontroller
Front-end interface logic
Buffer controller
Hardware third-level error correction
Additional product support
GENERAL DESCRIPTION
QUICK REFERENCE DATA
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING
FUNCTIONAL DESCRIPTION
80C32 microcontroller
53CF94 fast SCSI controller
Input clock doubler
Front-end
MICROCONTROLLER INTERFACE
Microcontroller interface status register
Microcontroller interface command register
Microcontroller interrupts
Microcontroller RAM organization
FRONT PANEL AND MISCELLANEOUS
CONTROL SIGNALS
S2B UART registers
Miscellaneous control registers
FRONT-END
Minute Second Frame (MSF) addressing and
header information
Front-end status and control
2
11
11.1
11.2
11.3
11.4
11.5
11.6
12
13
14
15
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
16
17
17.1
17.2
17.3
17.4
18
19
BUFFER MANAGER
Front-end to buffer manager interface
Microcontroller to buffer manager interface
ECC to buffer manager interface
SCSI to buffer manager interface
Miscellaneous buffer manager considerations
53CF94 related registers
FRAME BUFFER ORGANIZATION
SUMMARY OF CONTROL REGISTER MAP
LIMITING VALUES
OPERATING CHARACTERISTICS
I
EIAJ timing; audio mode
R-W timing (see Fig.15)
C-flag timing (see Fig.16)
S2B interface timing
SCSI interface timing
Microprocessor interface
DRAM interface (the SAA7385 is designed to
operate with standard 70 ns DRAMs)
PACKAGE OUTLINE
SOLDERING
Introduction
Reflow soldering
Wave soldering
Repairing soldered joints
DEFINITIONS
LIFE SUPPORT APPLICATIONS
2
S-bus timing; data mode
Preliminary specification
SAA7385