ST92E163-EPB/US STMicroelectronics, ST92E163-EPB/US Datasheet - Page 37

• Manufacturer Part Number: ST92E163-EPB/US
• Description: KIT DEMO MASS STORAGE
• Manufacturer: STMicroelectronics
• Type: Microcontroller Programmerr

Specifications of ST92E163-EPB/US

• Contents: Programmer, Cable, Power Supply, Software, Manual and more
• For Use With/related Products: ST9 MCUs
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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 13. 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
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 14. External Stack Mode
SSP15 SSP14 SSP13 SSP12 SSP11 SSP10 SSP9
SSP7
7
7
4
3
2
1
0
F
E
D
ST92163R4 - DEVICE ARCHITECTURE
SSP6
REGISTER
FILE
SSP5
SSP4
STACK POINTER (HIGH)
STACK POINTER (LOW)
SSP3
point to:
&
SSP2
MEMORY
STACK
SSP1
37/230
SSP8
SSP0
0
0