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754480, 7544G2AGP, 7545

Table of contents:
Info of 754480
Info of 7544G2AGP
Info of 7545

754480, 7544G2AGP, 7545 Selling Leads, Datasheet

MFG:TI Package Cooled:SOP-8 D/C:09+

754480, 7544G2AGP, 7545 Datasheet download

Five Points

Part Number: 754480

MFG: TI

Package Cooled: SOP-8

D/C: 09+

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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
V_CC	Power source voltage V_CC, V_DDR	All voltages are based on VSS. When an input voltage is measured, output transistors are cut off.	−0.3 to 5.0	V
V_I	Input voltage P0₀−P0₇, P1₀−P1₁, P2₀−P2₇, P3₀−P3₇, P4₀−P4₂		−0.3 to V_CC+ 0.3	V
V_I	Input voltage RESET, X_IN		−0.3 to V_CC + 0.3	V
V_I	Input voltage CNV_SS		−0.3 to V_CC + 0.3	V
V_O	Output voltage P0₀−P0₇, P1₀−P1₁, P2₀−P2₇, P3₀−P3₇, P4₀−P4₂, X_OUT, RESET		−0.3 to V_CC + 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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