DSPIC33FJ64GP202-ESP Datasheet, PDF (260/436 Pages) Microchip Technology – 16-bit Digital Signal Controllers (up to 128 KB Flash and 16K SRAM) with Advanced Analog

dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
REGISTER 20-4: DCISTAT: DCI STATUS REGISTER
U-0
—
bit 15
U-0
U-0
U-0
R-0
—
—
—
R-0
R-0
SLOT<3:0>
R-0
bit 8
U-0
—
bit 7
U-0
U-0
U-0
R-0
R-0
R-0
R-0
—
—
—
ROV
RFUL
TUNF
TMPTY
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-12
bit 11-8
bit 7-4
bit 3
bit 2
bit 1
bit 0
Unimplemented: Read as ‘0’
SLOT<3:0>: DCI Slot Status bits
1111 = Slot 15 is currently active
•
•
•
0010 = Slot 2 is currently active
0001 = Slot 1 is currently active
0000 = Slot 0 is currently active
Unimplemented: Read as ‘0’
ROV: Receive Overflow Status bit
1 = A receive overflow has occurred for at least one receive register
0 = A receive overflow has not occurred
RFUL: Receive Buffer Full Status bit
1 = New data is available in the receive registers
0 = The receive registers have old data
TUNF: Transmit Buffer Underflow Status bit
1 = A transmit underflow has occurred for at least one transmit register
0 = A transmit underflow has not occurred
TMPTY: Transmit Buffer Empty Status bit
1 = The transmit registers are empty
0 = The transmit registers are not empty
DS70292G-page 260
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