External Signal Description - STMicroelectronics SPC572L series Reference Manual

RM0400
55.2

External signal description

The MC_PCU has no connections to any external pins.
55.3 Memory map and register definition
55.3.1 Memory map
Address
0x0040 Power Domain Status Register (PCU_PSTAT)
Note: Any access to unused registers as well as write accesses to read-only registers will:
• not change register content
• cause a transfer error
55.3.2 Register descriptions
All registers may be accessed as 32-bit words, 16-bit half-words, or 8-bit bytes. The bytes
are ordered according to big endian. For example, the PD0 field of the PCU_PSTAT register
may be accessed as a word at address 0x0040, as a half-word at address 0x0042, or as a
byte at address 0x0043.
55.3.2.1 Power Domain Status Register (PCU_PSTAT)
Address: 0x0040
0 1 2
R 0 0 0
W
Reset 0 0 0
16 17 18
R
0 0 0
W
Reset 0 0 0
This register reflects the power status of all available power domains.
Table 917. MC_PCU register description
Register
3 4 5
0 0 0
0 0 0
19 20 21
0 0 0
0 0 0
Figure 956. Power Domain Status Register (PCU_PSTAT)
DocID027809 Rev 4
Size
word
Access: User read, Supervisor read, Test read
6 7 8 9
0 0 0 0
0 0 0 0
22 23 24 25
0 0 0 0
0 0 0 0
Power Control Unit (MC_PCU)
Access
User Supervisor Test
read read read
10 11 12 13
0 0 0 0
0 0 0 0
26 27 28 29
0 0 0 0
0 0 0 0
Location
on page
1595
14 15
0 0
0 0
30 31
0
0 1
1595/2058
1596