mpc82g516a Megawin Technology, mpc82g516a Datasheet - Page 119

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mpc82g516a

Manufacturer Part Number
mpc82g516a
Description
8-bit Microcontroller
Manufacturer
Megawin Technology
Datasheet

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25 MCU’s Hardware Option
The MCU’s Hardware Option defines the device behavior which cannot be programmed or controlled by software.
The hardware options can only be programmed by a Universal Programmer, the “Megawin 8051 Writer” or the
“Megawin 8051 ICP Programmer”. After whole-chip erased, all the hardware options are left in “disabled” state
and there is no ISP-memory and IAP-memory configured. The MPC82G516A has the following Hardware
Options:
(i.e., 2.4V).
configured.
ENLVRO:
WDSFWP:
119
ISP-memory Space:
IAP-memory Space:
LVFWP:
ENLVRC:
HWBS:
SB:
LOCK:
OSCDN:
HWBS2:
ENROSC:
The ISP-memory space is specified by its starting address. And, its higher boundary is limited by the Flash end
The IAP-memory space is specified by its lower boundary. And, its higher boundary is limited by the starting
address of the ISP-memory space if the ISP-memory is configured; otherwise, its higher boundary is located
at address 0xFFFF. (See
[enabled]: Flash write protection is enabled during IAP/ISP processing when LDO output power falls below V
[disabled]: No Flash write protection.
[enabled]: Enable brownout reset when LDO output power falls below V
[disabled]: No brownout reset when LDO output power falls below V
[enabled]: When powered up, MCU will boot from ISP-memory if ISP-memory is configured.
[disabled]: MCU always boots from AP-memory.
[enabled]: Code dumped on a universal Writer or Programmer is scrambled for security.
[disabled]: Not scrambled.
[enabled]: Code dumped & Device ID read on a universal Writer or Programmer is locked to 0xFF for security.
[disabled]: Not locked.
[enabled]: Oscillating gain is reduced down for EMI reduction.
[disabled]: Oscillating gain is normal.
[enabled]: Not only power-up but also any reset will cause MCU to boot from ISP-memory if ISP-memory is
[disabled]: Where MCU boots from is determined by HWBS.
[enabled]: Enable brownout reset when VDD power falls below V
[disabled]: No brownout reset when VDD power falls below V
[enabled]: Enable built-in RC oscillator.
[disabled]: Disable built-in RC oscillator.
[enabled]: The special function register WDTCR will be software-write-protected except the bit CLRW.
[disabled]: The special function register WDTCR is free to be written by software.
address, i.e., 0xFFFF. (See
Section 20.1.2: Flash
Section 20.1.2: Flash
MPC82G516A Data Sheet
Configuration.)
Configuration.)
OPF
(3.7V).
OPF
CPF
(3.7V).
(2.4V).
CPF
(2.4V).
MEGAWIN
CPF

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