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AN2169 Datasheet(PDF) 24 Page - STMicroelectronics

Part # AN2169
Description  Porting an application from the ST10F168 to the ST10F276
PDF  33 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2169 Datasheet(HTML) 24 Page - STMicroelectronics

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AN2169
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4.1.1
Hardware impact
None.
4.1.2
Software impact
The value has to be changed from its default reset one to match XRAM size compatibility. Refer
to XRAM section for more details.
4.2
XPEREMU register
This register has been added as a write-only register.
ST10F276: XPEREMU (EB7Eh)
XREG
Reset Value: XXXXh
The bit description is exactly the same as XPERCON.
4.2.1
Hardware Impact
None.
4
RTCEN: RTC Enable Bit
0: Accesses to the on-chip Real Time Clock are disabled, external access performed.
1: The on-chip Real Time Clock is enabled and can be accessed.
3
XRAM2EN: XRAM2 Enable Bit
0: Accesses to the on-chip XRAM2 block are disabled, external access performed.
1: The on-chip XRAM2 is enabled and can be accessed.
2
XRAM1EN: XRAM1 Enable Bit
0: Accesses to the on-chip XRAM1 block are disabled, external access performed.
1: The on-chip XRAM1 is enabled and can be accessed.
1
CAN2EN: CAN2 Enable Bit
0: Accesses to the CAN2 XPeripheral and its functions are disabled (P4.4 and P4.7 pins
can be used as general purpose IOs)
1: The CAN2 X-Peripheral is enabled and can be accessed.
0
CAN1EN: CAN1 Enable Bit
0: Accesses to the CAN1 XPeripheral and its functions are disabled (P4.5 and P4.6 pins
can be used as general purpose IOs)
1: The CAN1 X-Peripheral is enabled and can be accessed.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
-
---
-
XMISC
EN
XI2C
EN
XSSC
EN
XASC
EN
XPWM
EN
XFLASH
EN
XRTC
EN
XRAM2
EN
XRAM1
EN
CAN2
EN
CAN1
EN
-
---
-
W
W
W
W
W
W
W
W
W
W
W
Bit
Function



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