dspic33fj128gp204 Microchip Technology Inc., dspic33fj128gp204 Datasheet - Page 249

• Manufacturer Part Number: dspic33fj128gp204
• Description: High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

REGISTER 20-4:
© 2009 Microchip Technology Inc.
bit 15
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 15-12
bit 11-8
bit 7-4
bit 3
bit 2
bit 1
bit 0
U-0
U-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
U-0
U-0
—
—
DCISTAT: DCI STATUS REGISTER
‘1’ = Bit is set
W = Writable bit
U-0
U-0
—
—
U-0
U-0
Preliminary
—
—
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
ROV
R-0
R-0
RFUL
R-0
R-0
SLOT<3:0>
x = Bit is unknown
TUNF
R-0
R-0
DS70292C-page 247
TMPTY
R-0
R-0
bit 8
bit 0