ST92F150-EVAL STMicroelectronics, ST92F150-EVAL Datasheet - Page 111
ST92F150-EVAL
Manufacturer Part Number
ST92F150-EVAL
Description
BOARD EVALUATION FOR ST9 SERIES
Manufacturer
STMicroelectronics
Specifications of ST92F150-EVAL
Processor To Be Evaluated
ST90158 and ST92F1x Daughter Board
Interface Type
I2C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
497-2905
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INTERRUPT REGISTERS (Cont’d)
INTERRUPT PRIORITY LEVEL REGISTER LOW
(SIPLRL)
R253 - Read/Write
Register Page: Page 60
Reset Value : 1111 1111
Bits 7:6 = PL2H, PL1H: INTH0,H1 Priority Level.
Bits 5:4 = PL2G, PL1G: INTG0, G1 Priority Level.
Bits 3:2 = PL2F, PL1F: INTF0, F1 Priority Level.
Bits 1:0 = PL2E, PL1E: INTE0, E1 Priority Level.
These bits are set and cleared by software.
The priority is a three-bit value. The LSB is fixed by
hardware at 0 for even channels and at 1 for odd
channels
Table 22. PL Bit Assignment
Table 23. PL bit Meaning
PL2H
Interrupt Channel
7
PL2x
0
0
1
1
INTG0
INTG1
INTH0
INTH1
INTE0
INTE1
INTF0
INTF1
PL1H
Pair
PL1x
PL2G
0
1
0
1
PL1G
Hardware bit
PL2G
PL2G
PL2H
PL2H
PL2E
PL2E
PL2F
PL2F
3-bit Priority Level
PL2F
0
1
0
1
0
1
0
1
PL1G
PL1G
PL1H
PL1H
PL1E
PL1E
PL1F
PL1F
PL1F
0 (Highest)
1
2
3
4
5
6
7 (Lowest)
PL2E
Priority
0
1
0
1
0
1
0
1
PL1E
0
INTERRUPT FLAG REGISTER HIGH
(SFLAGRH)
R254 - Read Only
Register Page: 60
Reset Value : 0000 0000
Bit 0 = OUFI0 : Overrun flag for INTI0
This bit is set and cleared by hardware. It indicates
if more than one interrupt event occured on INTI0
before the IPI0 bit in the SIPRH register has been
cleared.
0 : No overrun
1 : Overrun has occurred on INTI0
INTERRUPT FLAG REGISTER LOW
(SFLAGRL)
R255 - Read Only
Register Page: 60
Reset Value : 0000 0000
Bits 7:0 = OUFxx : Overrun flag for channel xx
These bits are set and cleared by hardware. They
indicate if more than one interrupt event occurs on
the associated channel before the pending bit in
the SIPRL register has been cleared.
0 : No overrun
1 : Overrun has occurred on channel xx
OUFH1 OUFH0
Interrupt Channel
7
7
-
ST92F124/F150/F250 - INTERRUPTS
INTG0
INTG1
INTE0
INTE1
INTH0
INTH1
INTF0
INTF1
Pair
-
OUFG1
-
OUFG0 OUFF1
PL2G
PL2G
PL2H
PL2H
PL2E
PL2E
PL2F
PL2F
-
Priority Level
-
PL1G
PL1G
PL1E
PL1E
PL1H
PL1H
PL1F
PL1F
OUFF0
-
OUFE1
-
0
1
0
1
0
1
0
1
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OUFE0
OUFI0
0
0
9
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