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MSP50C32 Datasheet Preview

MSP50C32 Datasheet

MIXED-SIGNAL PROCESSORS

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D Dual Programmable LPC-12 Speech
Synthesizers
D Simultaneous LPC and PCM Waveforms
D 8-Bit Microprocessor with 61 instructions
D 32 Twelve-Bit Words and 224 Bytes of RAM
D 3.3V to 6.5V CMOS Technology for Low
Power Dissipation
D Direct Speaker Drive Capability
D Mask Selectable Internal or External Clock
D Internal Clock Generator that Requires No
External Components
D Two Software-Selectable Clock Speeds
D 10-kHz or 8-kHz Speech Sample Rate
MSP50C32, MSP50C33, MSP50C34
MSP50P34, MSP50C37, MSP50P37
MIXED-SIGNAL PROCESSORS
SPSS019A – MAY 1997 – REVISED OCTOBER 1998
N PACKAGE
(TOP VIEW)
PA6
PA5
PA4
PA3
PA2
PA1
PB1/OSC OUT
OSC IN
1
2
3
4
5
6
7
8
16 PA7
15 PB0
14 PA0
13 DAC +
12 DAC –
11 VDD
10 VSS
9 INIT
description
The MSP50x3x family uses a revolutionary architecture to combine an 8-bit microprocessor, two speech
synthesizers, ROM, RAM, and I/O in a low-cost single-chip system. The architecture uses the same arithmetic
logic unit (ALU) for the two synthesizers and the microprocessor, thus reducing chip area and cost and enabling
the microprocessor to do a multiply operation in 0.8 µs. The MSP50x3x family features two independent
channels of linear predictive coding (LPC), which synthesize high-quality speech at a low data rate. Pulse-code
modulation (PCM) can produce music or sound effects. LPC and PCM can be added together to produce a
composite result. For more information, see the MSP50x3x User’s Guide (literature number SPSU006).
Table 1. MSP50x3x Family
DEVICE
MSP50C32
MSP50C33
MSP50C34
MSP50P34
MSP50C37
MSP50P37
AMOUNT OF ROM/PROM
16K bytes mask ROM
32K bytes mask ROM
64K bytes mask ROM
64K bytes PROM
16K bytes mask ROM
16K bytes PROM
FEATURES
9/10 I/O lines
9/10 I/O lines
9/10 I/O lines, 24 I/O lines in die form
9/10 I/O lines
18 I/O lines, A/D converter/analog amplifier
18 I/O lines, A/D converter/analog amplifier
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright © 1998, Texas Instruments Incorporated
3




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MSP50C32 Datasheet Preview

MSP50C32 Datasheet

MIXED-SIGNAL PROCESSORS

No Preview Available !

MSP50C32, MSP50C33, MSP50C34
MSP50P34, MSP50C37, MSP50P37
MIXED-SIGNAL PROCESSORS
SPSS019A – MAY 1997 – REVISED OCTOBER 1998
absolute maximum ratings over operating free-air temperature range
Supply voltage range, VDD (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to 8 V
Supply current, IDD or ISS (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.3 V to VDD + 0.3 V
Output voltage range, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.3 V to VDD + 0.3 V
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 30°C to 125°C
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. All voltages are with respect to ground.
2. The total supply current includes the current out of all the I/O terminals and DAC terminals as well as the operating current of the
device.
recommended operating conditions (MSP50C32, MSP50C33, MSP50x34)
VDD
Supply voltage†
VDD = 3.3 V
VIH High-level input voltage
VDD = 5 V
VDD = 6 V
VDD = 3.3 V
VIL Low-level input voltage
VDD = 5 V
VDD = 6 V
TA
Operating free-air temperature
Device functionality
Rspeaker Minimum speaker impedance
Direct speaker drive using 2 pin push-pull DAC option
† Unless otherwise noted, all voltages are with respect to VSS.
recommended operating conditions (MSP50x37)
MAX
3.3
2.5
3.8
4.5
0
0
0
0
32
MAX
6.5
3.3
5
6
0.65
1
1.3
70
UNIT
V
V
V
°C
VDD
VIH
Supply voltage†
High-level input voltage
VIL Low-level input voltage
TA
Rspeaker
MUX input voltage
Operating free-air temperature
Minimum speaker impedance
VDD = 4 V
VDD = 5 V
VDD = 6 V
VDD = 4 V
VDD = 5 V
VDD = 6 V
Reference voltage = 6.5 V
Device functionality
Direct speaker drive using power amp
MIN MAX UNIT
4 6.5 V
34
3.8 5 V
4.5 6
01
0 1.2 V
0 1.5
0 6.5 V
–10 70 °C
8
4 POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number MSP50C32
Description MIXED-SIGNAL PROCESSORS
Maker etcTI
Total Page 9 Pages
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