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ST92124JCR1TC Ver la hoja de datos (PDF) - STMicroelectronics

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ST92124JCR1TC 8/16-BIT SINGLE VOLTAGE FLASH MCU FAMILY WITH RAM, E³ ™ (EMULATED EEPROM), CAN 2.0B AND J1850 BLPD ST-Microelectronics
STMicroelectronics ST-Microelectronics
ST92124JCR1TC Datasheet PDF : 429 Pages
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ST92F124/F150/F250 - DEVICE ARCHITECTURE
SYSTEM REGISTERS (Cont’d)
USER STACK POINTER HIGH REGISTER
(USPHR)
R236 - Read/Write
Register Group: E (System)
Reset value: undefined
7
0
USP15 USP14 USP13 USP12 USP11 USP10 USP9 USP8
SYSTEM STACK POINTER HIGH REGISTER
(SSPHR)
R238 - Read/Write
Register Group: E (System)
Reset value: undefined
7
0
SSP15 SSP14 SSP13 SSP12 SSP11 SSP10 SSP9 SSP8
USER STACK POINTER LOW REGISTER
(USPLR)
R237 - Read/Write
Register Group: E (System)
Reset value: undefined
7
0
USP7 USP6 USP5 USP4 USP3 USP2 USP1 USP0
SYSTEM STACK POINTER LOW REGISTER
(SSPLR)
R239 - Read/Write
Register Group: E (System)
Reset value: undefined
7
0
SSP7 SSP6 SSP5 SSP4 SSP3 SSP2 SSP1 SSP0
Figure 24. Internal Stack Mode
Figure 25. External Stack Mode
REGISTER
FILE
F
STACK POINTER (LOW)
points to:
E
STACK
D
REGISTER
FILE
F
E
STACK POINTER (LOW)
&
STACK POINTER (HIGH)
point to:
MEMORY
D
STACK
4
4
3
3
2
2
1
1
0
0
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