ST9291 ST Microelectronics, ST9291 Datasheet - Page 8

• Manufacturer Part Number: ST9291
• Description: 16-48K ROM HCMOS MCU WITH ON SCREEN DISPLAY AND VOLTAGE TUNINGOUTPUT
• Manufacturer: ST Microelectronics

ST9291
ADDRESS SPACES (Continued)
Figure 1-5. Register Grouping
Figure 1-7. Addressing the Register File
8/20
255
240
239
224
223
0
F
E
D
C
B
A
9
8
7
6
5
4
3
2
1
0
255
240
239
224
223
SYSTEM REGISTERS
0
REGISTER FILE
PAGE REGISTERS
F
E
D
C
B
A
9
8
7
6
5
4
3
2
1
0
SYSTEM REGISTERS
PAGED REGISTERS
15
0
15
0
REGISTERS
64 PAGES
PURPOSE
GENERAL
UP TO
VA00432
224
(1100) (0011)
(R0C3h)
R195
Figure 1-6. Page Pointer Configuration
R255
R240
R224
GROUP D
GROUP B
R0
PAGE POINTER
PAGE 0
PAGE 5
PAGE 63
R195
R207
R192
VA00433
GROUP C
VR000118