Z8 ENCO RE!
®
F 0 830 & F 083A SER IES FLAS H MC Us
COS T- EFFI CIEN T 8- BIT FLA S H S OLUT IONS
EMBEDDED FLASH SOLUTIONS
F0830 & F083A Series Flash Controller Detailed Feature Set
ez8
TM
CPU CORE
The eZ8 CPU, Zilog’s latest 8-bit CPU, meets the continuing demand for faster and more code-efficient
microcontrollers. The eZ8 CPU features include:
• New instructions for improved performance including BIT, BSWAP, BTJ, CPC, LDC, LDCI, LEA,
MULT and SRL
• New instructions supporting 12-bit linear addressing of the Register file
• Compatible with existing Z8
®
code
• Up to 10 MIPS operation
• C-Compiler friendly
• Two to nine clock cycles per instruction
on-chip flash memory
The products in the Z8 Encore! F0830 Series feature up to 12 KB of non-volatile Flash memory, whereas the
F083A Series feature up to 8 KB of non-volatile Flash memory. Both offer full read, write and erase func-
tionality. The Flash memory is programmed and erased in-circuit by either user code or through the On-Chip
Debugger. For program/data protection, the Flash memory is also divided into sectors.
non-volatile data storage (nvds) or eeprom
The Z8 Encore! F083A Series devices contain a Non-Volatile Data Storage (NVDS) element of up to 100
bytes. This memory (also referred to as EEPROM) can perform over 100,000 write cycles. The NVDS is
implemented by special purpose Zilog software stored in areas of program memory not accessible to you.
These special purpose routines use the Flash memory to store the data. The routines incorporate a dynamic
addressing scheme to maximize the write/erase endurance of the Flash.
analog-to-digital converter (adc)
The Z8 Encore! includes an eight-channel Successive Approximation Register (SAR) analog to digital
converter (ADC). The ADC converts an analog input signal to a 10-bit binary number. Depending on your
performance requirements, two different conversion times are available for both devices - for the F0830,
conversion times are as low as 11.9 µs; on the F083A, conversion times are as low as 2.8 µs. The features of
the SAR ADC include:
• Eight analog input sources multiplexed with general purpose I/O ports.
• Fast conversion time, as low as 2.8 µs (ADC conversion clock should be less than 10 MHz).
• Programmable timing controls.
• Interrupt on conversion complete.
• Internal voltage reference generator.
• Ability to select external reference voltage.
• When configuring ADC using external Vref, PB5 is used as Vref in 28-pin package
analog comparator
The Z8 Encore! F0830 and F083A Series devices feature a general purpose comparator that compares two
analog input signals. A GPIO (CINP) pin provides the positive comparator input. The negative input (CINN)
is taken from either an external GPIO pin or from an internal reference. The output is available as an inter-
rupt source or is routed to an external pin using the GPIO multiplex. The comparator includes the following
features:
• Positive input is connected to a GPIO pin.
• Negative input is connected to either a GPIO pin or an programmable internal reference.
• Output is either an interrupt source or an output to an external pin.
PB020809-0408
2
key hardware features
• ez8 cpu core
• on-chip flash memory
• nvds/eeprom
• fast adc
• analog comparator
(9 paginas)
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