SAF-XC878CM-16FFI 3V3 AC Infineon Technologies, SAF-XC878CM-16FFI 3V3 AC Datasheet - Page 40
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SAF-XC878CM-16FFI 3V3 AC
Manufacturer Part Number
SAF-XC878CM-16FFI 3V3 AC
Description
IC MCU 8BIT 64KB FLASH 64LQFP
Manufacturer
Infineon Technologies
Series
XC8xxr
Specifications of SAF-XC878CM-16FFI 3V3 AC
Core Processor
XC800
Core Size
8-Bit
Speed
27MHz
Connectivity
CAN, SPI, SSI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
40
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
3.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 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
-
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3.2.3.1
PASSWD
Password Register
Field
MODE
PROTECT_S
PASS
Data Sheet
7
Password Register
6
Bits
[1:0]
2
[7:3]
PASS
w
5
Type Description
rw
rh
w
Bit Protection Scheme Control Bits
00
11
Others:Scheme Enabled.
These two bits cannot be written directly. To change
the value between 11
must be written with 11000
MODE[1:0] be registered.
Bit Protection Signal Status Bit
This bit shows the status of the protection.
0
1
Password Bits
The Bit Protection Scheme only recognizes three
patterns.
11000
10011
10101
4
Scheme disabled - direct access to the
protected bits is allowed.
Scheme enabled - the bit field PASS has to be
written with the passwords to open and close
the access to protected bits. (default)
Software is able to write to all protected bits.
Software is unable to write to any protected
bits.
B
B
B
Enables writing of the bit field MODE.
Opens access to writing of all protected bits.
Closes access to writing of all protected bits
33
3
PROTECT
B
and 00
_S
rh
2
B
; only then, will the
Functional Description
B
, the bit field PASS
Reset Value: 07
1
MODE
XC87xCLM
V1.5, 2011-03
rw
0
H
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