Freescale Semiconductor MPC5553 - Page 278

System Interface Unit (SIU)
MPC5553/MPC5554 Microcontroller Reference Manual, Rev. 5
Freescale Semiconductor 6-99
Table 6-50. SIU_DISR Field Descriptions (continued)
Register Bit Range
Field Name
Description MPC5553
0–1
SINSELA
DSPI A data input select. Specifies the source of the DSPI_A data input.
00 SINA_GPIO[94] pin
01 SOUTB
10 SOUTC
11 SOUTD
Reserved
2–3
SSSELA
DSPI A slave select input select. Specifies the source of the DSPI_A slave select input.
00 PCSA[0]_GPIO[96] pin
01 PCSB[0] (master)
10 PCSC[0] (master)
11 PCSD[0] (master)
Reserved
4–5
SCKSELA
DSPI A clock input select. Specifies the source of the DSPI_A clock input.
00 SCKA_GPIO[93] pin
01 SCKB (master)
10 SCKC (master)
11 SCKD (master)
Reserved
6–7
TRIGSELA
DSPI A trigger input select. Specifies the source of the DSPI_A trigger input.
00 No Trigger
01 PCSB[4]
10 PCSC[4]
11 PCSD[4]
Reserved
8–9
SINSELB
DSPI B data input select. Specifies the source of DSPI_B data input.
00 SINB_PCSC[2]_GPIO[103] pin
01 SOUTA
10 SOUTC
11 SOUTD
SOUTA
not available
10–11
SSSELB
DSPI B slave select input select. Specifies the source of the DSPI_B slave select input.
00 PCSB[0]_PCSD[2]_GPIO[105] pin
01 PCSA[0] (master)
10 PCSC[0] (master)
11 PCSD[0] (master)
PCSA[0]
not available
12–13
SCKSELB
DSPI B clock input select. Specifies the source of the DSPI_B clock input.
00 SCKB_PCSC[1]_GPIO[102] pin
01 SCKA (master)
10 SCKC (master)
11 SCKD (master)
SCKA
not available
14–15
TRIGSELB
DSPI B trigger input select. Specifies the source of the DSPI_B trigger input for master
or slave mode.
00 Reserved
01 PCSA[4]
10 PCSC[4]
11 PCSD[4]
PCSA[4]
not available
16–17
SINSELC
DSPI C data input select. Specifies the source of the DSPI_C data input.
00 PCSA[2]_SINC_GPIO[108] pin
01 SOUTA
10 SOUTB
11 SOUTD
PCSA[2] and
SOUTA not
available