
W83791SD/W83791SG
Publication Release Date: January 18, 2005
- III -
Revision 1.1
Table of Contents-
1.
2.
3.
4.
5.
6.
GENERAL DESCRIPTION ......................................................................................................... 1
FEATURES................................................................................................................................. 1
KEY SPECIFICATIONS.............................................................................................................. 2
PIN CONFIGURATION............................................................................................................... 2
PIN DESCRIPTION..................................................................................................................... 3
FUNCTION DESCRIPTION........................................................................................................ 4
6.1
Speech Function............................................................................................................. 4
6.1.1
General Description..........................................................................................................4
6.1.2
Event Trigger Queue........................................................................................................4
6.1.3
Connection of EEPROM...................................................................................................5
6.1.4
Speaker Output ................................................................................................................6
CONTROL AND STATUS REGISTER....................................................................................... 6
7.1
Speech Flash Memory Address Registers
Index 00h-02h (Bank 0).......................... 6
7.2
Speech Flash Memory Data Registers
Index 03h-06h (Bank 0) ............................... 6
7.3
Event Trigger Timeout Register
Index 08h (Bank 0).................................................. 7
7.4
Speech Programmable Trigger Register
Index 09h (Bank 0).................................... 8
7.5
Speech Input Trigger Property Register
Index 0Ah (Bank 0) .................................... 8
7.6
Speech Flash Memory Read Data Registers
Index 0Dh-0Eh (Bank 0)..................... 8
7.7
User Defined Registers
Index 18h-1Ch (Bank 0)....................................................... 9
7.8
Speech Control Register 1
Index 1Fh (Bank 0)......................................................... 9
7.9
Serial Bus Address Register
Index 48h (Bank 0)....................................................... 9
7.10
Device ID
Index 49h (Bank 0).................................................................................... 9
7.11
Disable Abnormal BEEP Control Register
Index 4Dh (Bank 0)............................... 10
7.12
High Byte Access
Index 4Eh (Bank 0)..................................................................... 10
7.13
Winbond Vendor ID
Index 4Fh (Bank 0).................................................................. 10
7.14
Winbond Test Register
Index 50h - 55h (Bank 0).................................................... 10
7.15
Chip ID -- Index 58h (Bank 0)....................................................................................... 10
7.16
Speech Flash Memory Read Data Registers
Index A4h-A5h (Bank 0)................... 11
7.17
Flash Page count
Index A7h (Bank 0)..................................................................... 11
ELECTRICAL CHARACTERISTICS......................................................................................... 11
8.1
Absolute Maximum Ratings.......................................................................................... 11
8.2
DC Characteristics........................................................................................................ 11
8.3
AC Characteristics........................................................................................................ 13
8.3.1
Serial Bus Timing Diagram.............................................................................................13
HOW TO READ THE TOP MARKING...................................................................................... 14
PACKAGE SPECIFICATION.................................................................................................... 15
APPLICATION CIRCUITS ........................................................................................................ 16
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