MPC5553/MPC5554 Microcontroller Reference Manual, Rev. 5
2-64 Freescale Semiconductor
2.4.3 ETPUB[0:31] MPC5554 Only
The I/O connections for ETPUB[0:31] channels are given in Figure 2-8. The outputs of ETPUB[16:31]
are connected to two pins. This allows the input and output of those channels to be connected to different
pins. The outputs of ETPUB[16:31] are multiplexed on the ETPUB[0:15] pins. The outputs of
ETPUB[0:7] are multiplexed on the EMIOS[16:23] pins so that the output channels of ETPUB[0:7] can
928 28
829 29
716 —
617 —
518 —
419 —
320 —
221 —
1
DSPI B serialized input channels 0, 1, 14, and 15 are connected to EMIOS channels. DSPI B
serialized output channels 14, 15 are connected to EMIOS channels. DSPI B serialized
output channels 0 through 7 are not connected.
Table 2-7. ETPUA[16:31] — DSPI D I/O Mapping
DSPI D Serialized
Inputs
1
1
DSPI D serialized input channels 6–9 are connected to
EMIOS channels.
eTPU A Channel Output
15 24
14 25
13 26
12 27
11 28
10 29
516
417
318
219
120
021
Table 2-6. ETPUA[16:31] — DSPI B I/O Mapping (Continued)
DSPI B Serialized
Inputs / Outputs
1
eTPU A Channel Output eTPU A Channel Input
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