PXS20RM Datasheet, PDF (1321/1368 Pages) Freescale Semiconductor, Inc – PXS20 Microcontroller

47.5.2.2 MCU ID Register 2 (MIDR2)
Address: Base + 0x0008
0
R SF
W
Reset ₀
1
2
3
4
FLASH_SIZE_1
0
1
1
0
5
6
7
8
FLASH_SIZE_2
0
0
0
0
System Integration Unit Lite (SIUL)
Access: Read only
9
10
11
12
13
14
15
0
0
0
0
0
0
0
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
R
PARTNUM[23:16]
FR
W
Reset ₀
1
0
0
1
1
0
0
0
0
0
0
0
0
0
1
Figure 47-4. MCU ID Register 2 (MIDR2)
Table 47-4. MIDR2 field descriptions
Field
Description
SF
Manufacturer
0: Freescale
FLASH_SIZE_1 Coarse granularity for flash memory size
Combine with FLASH_SIZE_2 to calculate the actual memory size.
0b0110: 1 MB
FLASH_SIZE_2
Fine granularity for Flash memory size
Combine with FLASH_SIZE_1 to calculate the actual memory size.
0b0000: 0 x (FLASH_SIZE_1  8)
0b0010: 2 x (FLASH_SIZE_1  8)
0b0100: 4 x (FLASH_SIZE_1  8)
PARTNUM
[23:16]
ASCII character in MCU Part Number
0x4C: L (PXS20) family
FR
FlexRay present
1: FlexRay is present
0: FlexRay is not present
47.5.2.3 Interrupt Status Flag Register (ISR)
This register holds the interrupt flags.
Freescale Semiconductor
PXS20 Microcontroller Reference Manual, Rev. 1
47-7