SAF-XC878-13FFI 5V AA Infineon Technologies, SAF-XC878-13FFI 5V AA Datasheet - Page 32
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SAF-XC878-13FFI 5V AA
Manufacturer Part Number
SAF-XC878-13FFI 5V AA
Description
IC MCU 8BIT FLASH 64-LQFP
Manufacturer
Infineon Technologies
Series
XC8xxr
Specifications of SAF-XC878-13FFI 5V AA
Core Processor
XC800
Core Size
8-Bit
Speed
27MHz
Connectivity
SPI, SSI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
40
Program Memory Size
52KB (52K x 8)
Program Memory Type
FLASH
Ram Size
3.25K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LFQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
SP000447274
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Table 4
Flash
Protection
P-Flash
program
and erase
D-Flash
contents
can be read
by
External
access to D-
Flash
D-Flash
program
D-Flash
erase
BSL mode 6, which is used for enabling Flash protection, can also be used for disabling
Flash protection. Here, the programmed password must be provided by the user. To
disable the flash protection, a password match is required. A password match triggers
an automatic erase of the protected P-Flash and D-Flash contents, including the
programmed password. With a valid password, the Flash hardware protection is then
enabled or disabled upon next reset. For the other protection strategies, no reset is
necessary.
Although no protection scheme can be considered infallible, the XC87x memory
protection strategy provides a very high level of protection for a general purpose
microcontroller.
Note: If ROM read-out protection is enabled, only read instructions in the ROM memory
Data Sheet
can target the ROM contents.
Flash Protection Modes (cont’d)
Without hardware
protection
Possible
Read instructions in
any program memory
Not possible
Possible
Possible
With hardware protection
Possible only on the
condition that MSB - 1
of password is set to 1
Read instructions in
any program memory
Not possible
Possible
Possible, on these
conditions:
•
•
25
MISC_CON.DFLASH
EN bit is set to 1
prior to each erase
operation; or
the
password is set to 1
MSB - 1
of
Functional Description
Possible only on the
condition that MSB - 1
of password is set to 1
Read instructions in
the P-Flash or D-
Flash
Not possible
Possible, on the
condition that MSB - 1
of password is set to 1
Possible, on the
condition that MSB - 1
of password is set to 1
XC87xCLM
V1.5, 2011-03
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