ST92F124R1 STMicroelectronics, ST92F124R1 Datasheet - Page 41
ST92F124R1
Manufacturer Part Number
ST92F124R1
Description
8/16-bit Single Voltage Flash Mcu Family With Ram, E?? Emulated Eeprom , Can 2.0b And J1850 Blpd
Manufacturer
STMicroelectronics
Datasheet
1.ST92F124R1.pdf
(429 pages)
- Current page: 41 of 429
- Download datasheet (8Mb)
SYSTEM REGISTERS (Cont’d)
USER STACK POINTER HIGH REGISTER
(USPHR)
R236 - Read/Write
Register Group: E (System)
Reset value: undefined
USER STACK POINTER LOW REGISTER
(USPLR)
R237 - Read/Write
Register Group: E (System)
Reset value: undefined
Figure 24. Internal Stack Mode
USP15 USP14 USP13 USP12 USP11 USP10 USP9
USP7
7
7
USP6
4
3
2
1
0
F
E
D
REGISTER
STACK
USP5
FILE
USP4
USP3
STACK POINTER (LOW)
points to:
USP2
USP1
USP8
USP0
0
0
ST92F124/F150/F250 - DEVICE ARCHITECTURE
SYSTEM STACK POINTER HIGH REGISTER
(SSPHR)
R238 - Read/Write
Register Group: E (System)
Reset value: undefined
SYSTEM STACK POINTER LOW REGISTER
(SSPLR)
R239 - Read/Write
Register Group: E (System)
Reset value: undefined
Figure 25. External Stack Mode
SSP15 SSP14 SSP13 SSP12 SSP11 SSP10 SSP9
SSP7
7
7
4
3
2
1
0
F
E
D
REGISTER
SSP6
FILE
SSP5
SSP4
STACK POINTER (HIGH)
STACK POINTER (LOW)
SSP3
point to:
&
SSP2
MEMORY
STACK
SSP1
41/429
SSP8
SSP0
0
0
9
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