7540 Selling Leads, Price trend , Simpson Electric Company, 7540 DataSheet download, circuit diagram from SeekIC.com

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SeekIC No. : 002786070 Detail

7540: Test Leads TEST LEADS TS112

7540 Data Sheet

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Part Number:: 7540
Mfg:: Simpson Electric Company
Supply Ability:: 5000

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Qty
1~5000

Unit Price
Negotiable

Processing time
15 Days

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Upload time: 2024/11/12

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Product Details

Description

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Features:

• Basic machine-language instructions ............................................................................. 71
• The minimum instruction execution time ................................................................. 0.50 µs
   (at 8 MHz oscillation frequency for the shortest instruction)
• Memory size ROM ..................................................................................... 16K to 32K bytes
                       RAM ...................................................................................... 512 to 768 bytes
• Programmable I/O ports .................................................................................................. 29
                                                                                                               (25 in 32-pin version)
• Interrupts ........................................................................................ 15 sources, 15 vectors
                                                                             (14 sources, 14 vectors for 32-pin version)
• Timers ..................................................................................................................... 8-bit 5 4
                                                                                                                                  16-bit 5 1
• Serial I/O1 .............................................................................................................. 8-bit 5 1
                                                                                                  (UART or Clock-synchronized)
• Serial I/O2 .............................................................................................................. 8-bit 5 1
                                                                                                                (Clock-synchronized)
• A-D converter ........................................................................................ 10-bit 5 8 channels
                                                                                                (6 channels for 32-pin version)
• Clock generating circuit .................................................................................... Built-in type
(low-power dissipation by a ring oscillator enabled)
(connect to external ceramic resonator or quartz-crystal oscillator permitting RC oscillation)
• Watchdog timer .................................................................................................... 16-bit 5 1
• Power source voltage
   XIN oscillation frequency at ceramic oscillation, in high-speed mode
   At 8 MHz ............................................................................................................ 4.0 to 5.5 V
   At 4 MHz ............................................................................................................ 2.4 to 5.5 V
   At 2 MHz ............................................................................................................ 2.2 to 5.5 V
   XIN oscillation frequency at RC oscillation
   At 4 MHz ............................................................................................................. 4.0 to 5.5 V
   At 2 MHz ............................................................................................................. 2.4 to 5.5 V
   At 1 MHz ............................................................................................................. 2.2 to 5.5 V
• Power dissipation ..................................................................................... 25 mW (standard)
• Operating temperature range ......................................................................... 20 to 85 °C
(40 to 85 °C for extended operating temperature version)

Application

Office automation equipment, factory automation equipment, home electric appliances, consumer electronics, car, etc.

Pinout

Connection Diagram

Specifications

Symbol	Parameter	Conditions	Ratings	Unit
V_CC	Power source voltage	All voltages are based on VSS. Output transistors are cut off.	0.3 to 7.0	V
V_I	Input voltage P0₀P0₇, P1₀P1₄, P2₀P2₇, P3₀P3₇, V_REF		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 (Note 1)		0.3 to 13	V
V_O	Output voltage P0₀P0₇, P1₀P1₄, P2₀P2₇, P3₀P3₇, X_OUT		0.3 to VCC + 0.3	V
P_d	Power dissipation	Ta = 25°C	300 (Note 2)	mW
T_opr	Operating temperature		20 to 85	°C
T_stg	Storage temperature		40 to 125	°C

Description

The 7540 Group is the 8-bit microcomputer based on the 740 family core technology.

The 7540 Group has a serial I/O, 8-bit timers, a 16-bit timer, and an A-D converter, and is useful for control of home electric appliances and office automation equipment.

7540

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