COP8SCR9HVA8 Integrated Circuit Chip 8-Bit CMOS Flash Based Microcontroller with 32k Memory, Virtual EEPROM and Brownout

8-Bit CMOS Flash Based Microcontroller with 32k Memory, Virtual EEPROM and Brownout

General Description

The COP8SBR9/SCR9/SDR9 Flash based microcontrollers are highly integrated COP8™ Feature core devices, with 32k Flash memory and advanced features including Virtual EEPROM, High Speed Timers, USART, and Brownout Reset. This single-chip CMOS device is suited for applications requiring a full featured, in-system reprogrammable controller with large memory and low EMI. The same device is used for development, pre-production and volume production with a range of COP8 software and hardware development tools.

KEY FEATURES

►32 kbytes Flash Program Memory with Security Feature

► Virtual EEPROM using Flash Program Memory

►1 kbyte volatile RAM

►USART with on chip baud generator

► 2.7V–5.5V In-System Programmability of Flash

► High endurance - 100k Read/Write Cycles

►Superior data retention - 100 years

►Dual Clock Operation with HALT/IDLE Power Save Modes

Block Diagram

Absolute Maximum Ratings

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.

Supply Voltage (VCC) 7V

Voltage at Any Pin −0.3V to VCC +0.3V

Total Current into VCC Pin (Source) 200 mA

Total Current out of GND Pin (Sink) 200 mA

Storage Temperature Range −65˚C to +140˚C

ESD Protection Level 2 kV (Human Body Model)

FUNCTIONAL DESCRIPTION

The organization of the ISP feature consists of the user flash program memory, the factory boot ROM, and some registers dedicated to performing the ISP function. See Figure 13 for a simplified block diagram. The factory installed ISP that uses MICROWIRE/PLUS is located in the Boot ROM. The size of the Boot ROM is 1K bytes and also contains code to facilitate in system emulation capability. If a user chooses to write his own ISP routine, it must be located in the flash program memory

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