wts701 Winbond Electronics Corp America, wts701 Datasheet - Page 26

• Manufacturer Part Number: wts701
• Description: Winbond Single-chip Text-to-speech Processor
• Manufacturer: Winbond Electronics Corp America

Customization Commands
The WTS701 has the ability for the
user to customize the way in which
it responds to certain text strings.
This
abbreviation
customization opcodes allow the
user to interrogate and modify the
abbreviation table.
The following section list all the standard commands that can be executed on the WTS701.
PWDN Go to POWER DOWN Mode
This command puts the WTS701 processor in power-down mode. This is a single word command
therefore no data is required for this command. The Power Down command places the WTS701
device into its lowest power consumption mode. In POWER DOWN mode, the device will only
respond to a Power Up command (PWUP) and Read Status (RDST) command. As soon as Power
Down sequence has ended, the RDY flag in the status word is cleared.
Byte Sequence:
Description:
PWUP Power Up
This command wakes up the WTS701 processor to IDLE state. The result of this command is that the
WTS701 starts the power up sequence, which leads to bringing up internal supplies, resetting the
processor, all configuration registers are initialized to their default values and entering IDLE state. As
soon as power up sequence has ended, the RDY flag in the status word is asserted. The SCLC
command must be sent BEFORE PWUP.
PWDN
is
7.4.1 Command Description
done
by
table.
Class
Host controller
WTS701
Put the WTS701 processor in power-down mode.
way
of
The
1
an
Opcode
0xC8
0xC9
0xC7
0xAF
0x0C
0x83
Type
Status Byte 0
- 26 -
0x40
ABBR_NUM
ABBR_RD
ABBR_MEM
ABBR_ADD
ABBR_DEL
ENTER_RRSM
I
Mnemonic
Table 9. Customization Opcodes.
Status Byte 1
Function
Get number of abbrev. entries
Read abbreviation table
Swap memory
Get number of free bytes.
Add abbrev. entry
Delete abbrev. entry
0x00
WTS701