MSP53C391 Timing Waveforms
4-4
NOTE: The time between INRDY low is less than the stated average while a
command is being transferred.
4.2.2
MIX Mode
5
µ
s-20
µ
s
ÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎ
ÎÎÎ
ÎÎÎ
R/W
STROBE
INRDY
Data
Command/Data
Typical_Range
2
µ
s-8
µ
s
1.6
µ
s-
400 ns
2.8
µ
s-
700 ns
The average time between INRDY low for speech data transfer for mixed
mode for speaking CELP and FM is 30.5
µ
S.
The average time between INRDY low for speech data transfer mixed mode
for speaking MELP and FM is 91.5
µ
S.
NOTE: The time between INRDY low is less than the stated average while a
command is being transferred.
The parallel port MSP53C691 hardware interface connection is shown in Fig-
ure 4–1.
Figure 4–1. MSP53C691 Hardware Interface Connection
DATABUS
1
2–9
(D0–7)
12
13
14
16
18–25
(GND)
STROBE
RESET
INRDY
OUTRDY
MSP53C691
DB25 Parallel Port
R/W
4
39–32
5
6
3
12
48,49,64,
16
Summary of Contents for MSP53C691
Page 1: ...MSP53C691 Speech Synthesizer December 2000 MSDS Speech User s Guide SPSU020 ...
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