ST72521R9-Auto STMicroelectronics, ST72521R9-Auto Datasheet - Page 187

• Manufacturer Part Number: ST72521R9-Auto
• Description: 8-bit MCU for automotive
• Manufacturer: STMicroelectronics

Specifications of ST72521R9-Auto

• Hdflash Endurance: 100 cycles, data retention 20 years
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt, Wait and Slow

ST72521xx-Auto
17.4.2
Page selection register (PSR)
Table 96.
Paged registers
Last identifier high register (LIDHR)
Table 97.
PSR
7:3
2:0 PAGE[2:0]
LIDHR
7:0 LID[10:3]
Bit
Bit
7
7
Name
Name
-
PSR register description
LIDHR register description
Last Identifier (MSB)
Reserved; must be kept at ‘0’
Page Selection
6
6
These are the most significant 8 bits of the last Identifier read on the CAN bus.
These bits determine which buffer or filter page is mapped at addresses 0010h to
001Fh.
000:Page title = Diagnosis
001:Page title = Buffer 1
010:Page title = Buffer 2
011:Page title = Buffer 3
100:Page title = Filters
101:Page title = Reserved
110:Page title = Reserved
111:Page title = Reserved
Reserved
5
5
-
Doc ID 17660 Rev 1
4
4
LID[10:3]
R/W
Function
Function
3
3
Controller area network (CAN)
2
2
PAGE[2:0]
Reset value: Undefined
R/W
1
1
Reset value: 00h
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0
0