Table 18-7 Spi 1 Interrupt Control/Status Register And Spi 2 Interrupt Control/Status Register Description - Motorola DragonBall MC9328MX1 Reference Manual

Serial Peripheral Interface Modules (SPI 1 and SPI 2)
18.3.4 Interrupt Control/Status Registers
The SPI interrupt control status registers allow the user to enable various interrupt signals and monitor the
status of those interrupts.
INTREG1
INTREG2
BIT 31 30 29
TYPE r r r
0 0 0
RESET
BIT 15 14 13
BOEN ROEN RFEN RHEN RREN TFEN THEN TEEN
TYPE rw rw rw
0 0 0
RESET
Table 18-7. SPI 1 Interrupt Control/Status Register and
Name
Reserved Reserved—These bits are reserved and should read 0.
Bits 31–16
BOEN Bit Count Overflow Interrupt Enable—Enables/Disables the
Bit 15 Bit Count Overflow Interrupt.
ROEN RXFIFO Overflow Interrupt Enable—Enables/Disables the
BIT 14 RXFIFO Overflow Interrupt.
RFEN RXFIFO Full Interrupt Enable—Enables/Disables the
Bit 13 RXFIFO Full Interrupt.
RHEN RXFIFO Half Interrupt Enable—Enables/Disables the
Bit 12 RXFIFO Half-Full Interrupt.
RREN RXFIFO Data Ready Interrupt Enable—Enables/Disables
Bit 11 the RXFIFO Data Ready Interrupt.
TFEN TXFIFO Full Interrupt Enable—Enables/Disables the
Bit 10 TXFIFO Full Interrupt.
THEN TXFIFO Half Interrupt Enable—Enables/Disables the
Bit 9 TXFIFO Half-Empty Interrupt.
TEEN TXFIFO Empty Interrupt Enable—Enables/Disables the
Bit 8 TXFIFO Empty Interrupt.
18-10
SPI 1 Interrupt Control/Status Register
SPI 2 Interrupt Control/Status Register
28 27 26 25
r r r r
0 0 0 0
12 11 10 9
rw rw rw rw
0 0 0 0
SPI 2 Interrupt Control/Status Register Description
Description
MC9328MX1 Reference Manual
24 23 22 21
r r r r
0 0 0 0
0x0000
8 7 6 5
BO RO RF
rw rw rw rw
0 0 0 0
0x0000
0 = Disable interrupt
1 = Enable interrupt
0 = Disable interrupt
1 = Enable interrupt
0 = Disable interrupt
1 = Enable interrupt
0 = Disable interrupt
1 = Enable interrupt
0 = Disable interrupt
1 = Enable interrupt
0 = Disable interrupt
1 = Enable interrupt
0 = Disable interrupt
1 = Enable interrupt
0 = Disable interrupt
1 = Enable interrupt
Addr
0x0021300C
0x0021900C
20 19 18 17
r r r r
0 0 0 0
4 3 2 1
RH RR TF TH
rw rw rw rw
0 0 0 0
Settings
MOTOROLA
16
r
0
0
TE
rw
0