
COP8SBR9/COP8SCR9/COP8SDR9
8-Bit CMOS Flash Based Microcontroller with 32k
Memory, Virtual EEPROM and Brownout
1.0 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 EE-
PROM, High Speed Timers, USART, and Brownout Reset.
This single-chip CMOS device is suited for applications re-
quiring 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.
Devices included in this datasheet:
Device
Flash Program
Memory
(bytes)
RAM
(bytes)
Brownout
Voltage
I/O
Pins
Packages
Temperature
COP8SBR9
32k
1k
2.7V to 2.9V
37,39,49,
59
44 LLP,
44/68 PLCC,
48/56 TSSOP
44 LLP,
44/68 PLCC,
48/56 TSSOP
44 LLP,
44/68 PLCC,
48/56 TSSOP
40C to +85C
COP8SCR9
32k
1k
4.17V to 4.5V
37,39,49,
59
40C to +85C
40C to +125C
COP8SDR9
32k
1k
No Brownout
37,39,49,
59
40C to +85C
40C to +125C
2.0 Features
KEY FEATURES
n
32 kbytes Flash Program Memory with Security Feature
n
Virtual EEPROM using Flash Program Memory
n
1 kbyte volatile RAM
n
USART with on chip baud generator
n
2.7V–5.5V In-System Programmability of Flash
n
High endurance - 100k Read/Write Cycles
n
Superior data retention - 100 years
n
Dual Clock Operation with HALT/IDLE Power Save
Modes
n
Three 16-bit timers:
— Timers T2 and T3 can operate at high speed (50 ns
resolution)
— Processor Independent PWM mode
— External Event counter mode
— Input Capture mode
n
Brown-out Reset (COP8SBR9/SCR9)
OTHER FEATURES
n
Single supply operation: 2.7V–5.5V
n
Quiet Design (low radiated emissions)
n
Multi-Input Wake-up with optional interrupts
n
MICROWIRE/PLUS (Serial Peripheral Interface
Compatible)
n
Clock Doubler for 20 MHz operation from 10 MHz
Oscillator, with 0.5 μs Instruction Cycle
n
Thirteen multi-source vectored interrupts servicing:
— External Interrupt
— USART (2)
— Idle Timer T0
— Three Timers (each with 2 interrupts)
— MICROWIRE/PLUS Serial peripheral interface
— Multi-Input Wake-Up
— Software Trap
n
Idle Timer with programmable interrupt interval
n
8-bit Stack Pointer SP (stack in RAM)
n
Two 8-bit Register Indirect Data Memory Pointers
n
True bit manipulation
n
WATCHDOG and Clock Monitor logic
n
Software selectable I/O options
— TRI-STATE
Output/High Impedance Input
— Push-Pull Output
— Weak Pull Up Input
n
Schmitt trigger inputs on I/O ports
n
High Current I/Os
n
Temperature range: –40C to +85C and –40C to
+125C (COP8SCR9/SDR9)
n
Packaging: 44 and 68 PLCC, 44 LLP, 48 and 56 TSSOP
n
True In-System, Real time emulation and debug offered
by MetaLink’s Development Systemstools available
COP8
is a trademark of National Semiconductor Corporation.
August 2003
C
V
2003 National Semiconductor Corporation
DS101389
www.national.com