754480, 7544G2AGP, 7545 Selling Leads, Datasheet
MFG:TI Package Cooled:SOP-8 D/C:09+
754480, 7544G2AGP, 7545 Datasheet download
Part Number: 754480
MFG: TI
Package Cooled: SOP-8
D/C: 09+
754480, 7544G2AGP, 7545
- Table of contents:
Info of 754480
Info of 7544G2AGP
Info of 7545
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About 7540
PDF/DataSheet Download
Datasheet: 7540
File Size: 10453 KB
Manufacturer:
Download : Click here to Download
About 7540
PDF/DataSheet Download
Datasheet: 7540
File Size: 10453 KB
Manufacturer:
Download : Click here to Download
About 75452
PDF/DataSheet Download
Datasheet: 75452
File Size: 153845 KB
Manufacturer: TI [Texas Instruments]
Download : Click here to Download
7545 General Description
The 7545 Group is the 8-bit microcomputer based on the 740 family core technology.
The 7545 Group has an 8-bit timer, power-on reset circuit and the voltage drop detection circuit. Also, Function set ROM is equipped.
7545 Maximum Ratings
|
Symbol |
Parameter |
Conditions |
Ratings |
Unit |
|
VCC |
Power source voltage VCC, VDDR |
All voltages are based on VSS. When an input voltage is measured, output transistors are cut off. |
−0.3 to 5.0 |
V |
|
VI |
Input voltage P00−P07, P10−P11, P20−P27, P30−P37, P40−P42 |
−0.3 to VCC + 0.3 |
V | |
|
VI |
Input voltage RESET, XIN |
−0.3 to VCC + 0.3 |
V | |
|
VI |
Input voltage CNVSS |
−0.3 to VCC + 0.3 |
V | |
|
VO |
Output voltage P00−P07, P10−P11, P20−P27, P30−P37, P40−P42, XOUT, RESET |
−0.3 to VCC + 0.3 |
V | |
|
Pd |
Power dissipation |
Ta = 25 |
200 |
mW |
|
Topr |
Operating temperature |
−20 to 85 |
||
|
Tstg |
Storage temperature |
−40 to 125 |
7545 Features
• Basic machine-language instructions .................................. 71
• The minimum instruction execution time .................... 2.00 s (at 4 MHz oscillation frequency for the shortest instruction)
• Memory size ROM ........................................ 4K to 60K bytes RAM............................................ 256, 512 bytes
• Programmable I/O ports ...................................................... 25
• Key-on wakeup input .................................................. 8 inputs
• LED output port ...................................................................... 8
• Interrupts.................................................... 7 sources, 7 vectors
• Timers .......................................................................... 8-bit * 3
• Carrier wave generating circuit .......1 channel (8-bit timer * 2)
• Clock generating circuit ........................................Built-in type (connect to external ceramic resonator or quartz-crystal oscillator)
• Watchdog timer .........................................................16-bit * 1
• Power-on reset circuit............................................Built-in type
• Voltage drop detection circuit................................Built-in type
• Power source voltage XIN oscillation frequency at ceramic/quartz-crystal oscillation At 4 MHz .......................................... 1.8 to 3.6 V
• Power dissipation .......................................................... 1.8mW
• Operating temperature range .................................−20 to 85
7545 Typical Application
Remote control transmit.
7545 Connection Diagram
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