ST92250DR9TC 查看數據表（PDF） - STMicroelectronics

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ST92250DR9TC

8/16-BIT SINGLE VOLTAGE FLASH MCU FAMILY WITH RAM, E³ ™ (EMULATED EEPROM), CAN 2.0B AND J1850 BLPD

STMicroelectronics 

ST92F124/F150/F250 - DEVICE ARCHITECTURE

SYSTEM REGISTERS (Cont’d)

Figure 22. Pointing to a single group of 16

registers

BLOCK

NUMBER

31

30

29

28

27

26

25

REGISTER

GROUP

REGISTER

FILE

F

E

D

REGISTER

POINTER 0

set by:

srp #2

instruction

points to:

9

4

8

7

3

6

5

2

4

r15

3

1

2

r0

1

0

0

GROUP 1

addressed by

BLOCK 2

Figure 23. Pointing to two groups of 8 registers

BLOCK

NUMBER

31

30

29

28

27

26

25

addressed by

BLOCK 7

9

8

7

6

5

4

3

2

1

0

REGISTER

GROUP

REGISTER

FILE

F

REGISTER

POINTER 0

&

REGISTER

POINTER 1

E

set by:

srp0 #2

&

srp1 #7

D

instructions

point to:

4

r15

3

r8

GROUP 3

2

1

r7

r0

0

GROUP 1

addressed by

BLOCK 2

38/429

9

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