SAA-XC886CLM-8FFA AC Infineon Technologies, SAA-XC886CLM-8FFA AC Datasheet - Page 25
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SAA-XC886CLM-8FFA AC
Manufacturer Part Number
SAA-XC886CLM-8FFA AC
Description
IC MCU 8BIT 32KB FLASH 48TQFP
Manufacturer
Infineon Technologies
Series
XC8xxr
Datasheet
1.SAA-XC886CLM-6FFA_AC.pdf
(134 pages)
Specifications of SAA-XC886CLM-8FFA AC
Core Processor
XC800
Core Size
8-Bit
Speed
103.2MHz
Connectivity
CAN, LIN, SSI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.75K x 8
Voltage - Supply (vcc/vdd)
2.3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 140°C
Package / Case
48-TFQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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3.2.1
The SAA-XC886 memory protection strategy includes:
•
•
3.2.1.1
As long as a valid password is available, all external access to the device, including the
Flash, will be blocked.
For additional security, the Flash hardware protection can be enabled to implement a
second layer of read-out protection, as well as to enable program and erase protection.
Flash hardware protection is available only for Flash devices and comes in two modes:
•
•
The selection of each protection mode and the restrictions imposed are summarized in
Table
Table 3
Flash Protection Without hardware
Hardware
Protection Mode
Activation
Selection
P-Flash
contents can be
read by
External access
to P-Flash
P-Flash program
and erase
D-Flash
contents can be
read by
Data Sheet
Read-out protection: The user is able to protect the contents in the Flash memory
from being read
– Flash protection is enabled by programming a valid password (8-bit non-zero
Flash program and erase protection.
Mode 0: Only the P-Flash is protected; the D-Flash is unprotected
Mode 1: Both the P-Flash and D-Flash are protected
value) via BSL mode 6.
3.
Memory Protection Strategy
Flash Memory Protection
Flash Protection Modes
protection
-
Program a valid password via BSL mode 6
Bit 4 of password = 0 Bit 4 of password = 1
Read instructions in
any program memory
Not possible
Possible
Read instructions in
any program memory
With hardware protection
0
MSB of password = 0
Read instructions in
the P-Flash
Not possible
Not possible
Read instructions in
any program memory
18
Functional Description
1
Bit 4 of password = 1
MSB of password = 1
Read instructions in
the P-Flash or D-
Flash
Not possible
Not possible
Read instructions in
the P-Flash or D-
Flash
SAA-XC886CLM
V1.1, 2010-08
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