C8051F231 8K Flash, 256 RAM, 32-Pin MCU PRELIMINARY ANALOG PERIPHERALS Two Comparators - Programmable Hysteresis - Configurable to Generate Interrupts or Reset VDD Monitor and Brown-out Detector ON-CHIP JTAG DEBUG - On-Chip Debug Circuitry Facilitates Full Speed, Non-Intrusive In-System Debug (No Emulator Required!) - Provides Breakpoints, Single Stepping, Watchpoints, Stack Monitor - Inspect/Modify Memory and Registers - Superior Performance to Emulation Systems Using ICE-Chips, Target Pods, and Sockets - Low Cost, Complete Development Kit SUPPLY VOLTAGE ......................2.7V to 3.6V - Typical Operating Current: 9mA @ 25MHz - Typical Stop Mode Current: <0.1uA Temperature Range: –40°°C to +85°°C 32-Pin LQFP Package 8051-COMPATIBLE µC Core - Pipelined Instruction Architecture; Executes 70% of Instructions in 1 or 2 System Clocks - Up to 25MIPS Throughput with 25MHz Clock - Expanded Interrupt Handler MEMORY - 256 Bytes Data RAM - 8k Bytes FLASH; In-System Programmable in 512 byte Sectors DIGITAL PERIPHERALS - 22 Port I/O; All are 5V tolerant TM - Hardware SPI and UART Serial Ports Available Concurrently - Three 16-bit Counter/Timers - Dedicated Watch-Dog Timer - Bi-directional Reset CLOCK SOURCES - Internal Programmable Oscillator: 2-to-16MHz - External Oscillator: Crystal, RC, C, or Clock - Can Switch Between Clock Sources on-the-fly; Useful in Power Saving Modes SPI is a trademark of Motorola, Inc. VDD Analog/Digital Power Port 0 Latch P 0 GND UART M U X Timer 0 Timer 1 P 0 D r v P0.0/TX P0.1/RX P0.2//INT0 P0.3//INT1 P0.4/T0 P0.5/T1 P0.6/T2 P0.7/T2EX Timer 2 TCK TMS TDI TDO JTAG Logic Debug HW Reset /RST VDD Monitor XTAL1 XTAL2 External Oscillator Circuit Internal Oscillator 8 0 5 1 8kbyte FLASH Port 1 Latch CP0+ 256 byte RAM CP0 CP0 CP0CP1+ CP1 CP1 WDT CP1- P 1 M U X P 1 D r v P1.0/CP0+ P1.1/CP0P1.2/CP0 P1.3/CP1+ P1.4/CP1P1.5/CP1 P1.6/SYSCLK P1.7 SYSCLK System Clock C o r e SFR Bus Port 2 Latch SPI P 2 P 2 M U X D r v P2.0/SCK P2.1/MISO P2.2/MOSI P2.3/NSS P2.4 P2.5 P 3 Port 3 Latch D r v NC 7.15.2002 C8051F231 8K Flash, 256 RAM, 32-Pin MCU PRELIMINARY SELECTED ELECTRICAL SPECIFICATIONS TA = -40°C to +85°C, VDD = 2.7V unless otherwise specified. PARAMETER CONDITIONS MIN TYP MAX GLOBAL CHARACTERISTICS Supply Voltage 2.7 3.6 Supply Current (CPU Clock=25MHz 9 active) Clock=1MHz 0.4 Clock=32kHz; VDD Monitor Disabled 11 10 Supply Current (shutdown) Oscillator not running; VDD Monitor Enabled 0.1 Oscillator not running; VDD Monitor Disabled Clock Frequency Range DC 25 COMPARATORS Supply Current (each comparator) 1.5 Response Time (CP+) – (CP-) = 100mV 4.0 PACKAGE INFORMATION C8051F226DK DEVELOPMENT KIT D MIN NOM MAX (mm) (mm) (mm) D1 A - A1 0.05 E1 E 32 1 A2 A b A1 e 1.60 - 0.15 A2 1.35 1.40 1.45 b PIN 1 IDENTIFIER - 0.30 0.37 0.45 D - 9.00 - D1 - 7.00 - e - 0.80 - E - 9.00 - E1 - 7.00 - UNITS V mA mA µA µA µA MHz µA µs