C8051F340/1/2/3/4/5/6/7
1.4. Voltage Regulator
C8051F340/1/2/3/4/5/6/7 devices include a voltage regulator (REG0). When enabled, the REG0 output
appears on the V pin, and can also be used to power other external devices. REG0 can be enabled/dis-
DD
abled by software.
1.5. On-Chip Debug Circuitry
The C8051F340/1/2/3/4/5/6/7 devices include on-chip Silicon Labs 2-Wire (C2) debug circuitry that pro-
vides non-intrusive, full speed, in-circuit debugging of the production part installed in the end application.
Silicon Labs' debugging system supports inspection and modification of memory and registers, break-
points, and single stepping. No additional target RAM, program memory, timers, or communications chan-
nels are required. All the digital and analog peripherals are functional and work correctly while debugging.
All the peripherals (except for the USB, ADC, and SMBus) are stalled when the MCU is halted, during sin-
gle stepping, or at a breakpoint in order to keep them synchronized.
The C8051F340DK development kit provides all the hardware and software necessary to develop applica-
tion code and perform in-circuit debugging with the C8051F340/1/2/3/4/5/6/7 MCUs. The kit includes soft-
ware with a developer's studio and debugger, 8051 assembler and linker, evaluation ‘C’ compiler, and a
debug adapter. It also has a target application board with the C8051F340 MCU installed, the necessary
cables for connection to a PC, and a wall-mount power supply. The development kit contents may also be
used to program and debug the device on the production PCB using the appropriate connections for the
programming pins.
The Silicon Labs IDE interface is a vastly superior developing and debugging configuration, compared to
standard MCU emulators that use on-board "ICE Chips" and require the MCU in the application board to
be socketed. Silicon Labs' debug paradigm increases ease of use and preserves the performance of the
precision analog peripherals.
Rev. 1.0
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SILICON [ SILICON ]
