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COP942CJ
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MFG:N/A Package Cooled:N/A D/C:N/A

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Part Number: COP942CJ

MFG: N/A

Package Cooled: N/A

D/C: N/A

Description: The COP820CJ/840CJ Family ROM based microcontrollers are integrated COP8™ Base core devices with...

COP942CJ General Description

The COP820CJ/840CJ Family ROM based microcontrollers are integrated COP8™ Base core devices with 1k or 2k memory, an Analog comparator and Brownout detection. These single-chip CMOS devices are suited for lowerfunctionality applications where power and voltage fluctuations are a consideration. Pin and software compatible (no Brownout; different Vcc range) 4k/32k OTP versions are available (COP87LxxCJ/RJ Family) for pre-production, and for use with a range of COP8 software and hardware development tools.

Family features include an 8-bit memory mapped architecture, 10MHz CKI with 1us instruction cycle, one multifunction 16-bit timer/counter, MICROWIRE/PLUS™ serial I/O, one analog comparator, power saving HALT mode, MIWU, on-chip R/C oscillator capacitor (COP840CJ), high current outputs, software selectable I/O options, WATCHDOG ™ timer, modulator/timer, Brownout detector, Power on Reset, 2.5v-6.0v operation, and 16/20/28 pin packages. In this datasheet, the term COP820CJ refers to packages including the COP820CJ, COP822CJ, and COP823CJ; and COP840CJ refers to COP840CJ, COP842CJ, COP940CJ, and COP942CJ.

COP942CJ Maximum Ratings

If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (VCC) ..............................................7.0V
Voltage at any Pin .........................−0.3V to VCC + 0.3V
Total Current into VCC pin (Source)..................... 80 mA
Total Current out of GND pin (sink)...................... 80 mA
Storage Temperature Range.............. −65°C to +150°C
Note 1: Absolute maximum ratings indicate limits beyond which damage to
the device may occur.
DC and AC electrical specifications are not ensured when operating the device
at absolute maximum ratings.

COP942CJ Features

` Multi-Input Wake Up (on the 8-bit Port L)
` Brown out detector
` Analog comparator
` Modulator/timer (High speed PWM for IR transmission)
` 16-bit multi-function timer supporting
- PWM mode
- External event counter mode
- Input capture mode
` 1024 or 2048 bytes of ROM
` 64 or 128 bytes of RAM
` Quiet design (low radiated emissions)
` Integrated capacitor for the R/C oscillator for COP840CJ
I/O Features
` Software selectable I/O options (TRI-STATE® output,
push-pull output, weak pull-up input, high impedance input)
` High current outputs (8 pins)
` Packages
- 16 SO with 12 I/O pins for COP820CJ
- 20 DIP/SO with 16 I/O pins
- 28 DIP/SO with 24 I/O pins
` Schmitt trigger inputs on Port G
` MICROWIRE/PLUS serial I/O
CPU/Instruction Set Feature
` 1 s instruction cycle time
` Three multi-source vectored interrupts servicing
- External interrupt with selectable edge
- Timer interrupt
- Software interrupt
` 8-bit Stack Pointer (SP)-stack in RAM
` Two 8-bit register indirect data memory pointers (B, X)

COP942CJ Connection Diagram

COP942CJ datasheet

COP942CJ
PDF/DataSheet Download

Datasheet: COP942CJ
File Size: 476622 KB
Manufacturer: NSC [National Semiconductor]
Click here to Download

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