User Manual
215
Rev. 1.1
2019-03-18
TLE984xQX
Microcontroller with LIN and Power Switches for Automotive Applications
System Control Unit - Digital Modules (SCU-DM)
The PASSWD register and the registers which contain protected bits are located in page 2 of the SCU SFR
address map. The list of protected bits is shown in
7.14.2
System Control and Status Registers
The system startup status register provide information to the user about the system initialisation with the user
programmable 100 TP Page at startup. These register is written by firmware.
This register SYS__STS is reset by reset_type_4.
PW_MODE
1:0
rw
Bit-Protection Scheme Control Bit
These two bits cannot be written directly. To change the
value between 11
B
and 00
B
, the bit field PASS must be
written with 11000
B
, only then the MODE[1:0] will be
registered.
Other bit combinations: Scheme Enabled
00
B
Scheme Disabled
11
B
Scheme Enabled (default)
Table 111 RESET
Register Reset Type
Reset Values
Reset Short Name
Reset Mode
Note
RESET_TYPE_3
0000 0007
H
RESET_TYPE_3
Table 112 List of Protected Bits
Register
Bit Field
SYSCLKSEL
LOCKUP_EN
LOCKUP
OSCSS
XPD
NDIV
K1DIV
K2DIV
PDIV
PBA0CLKREL
CLKWDT_IE
BGCLK_DIV
BGCLK_SEL
SD
PD
SL
XTAL12EN
Field
Bits
Type
Description