Freescale Semiconductor MPC5553 - B.4.2 Pad Ring

MPC5553/MPC5554 Microcontroller Reference Manual, Rev. 5
B-6 Freescale Semiconductor
B.4.2 Pad Ring
This section provides a list of the calibration pins and associated pad configuration registers (PCRs),
including links to the detailed PCR information for each pin or pin group.
Refer to Table B-1 for device signal names.
For MPC5553, see:
• CAL_ADDR[27:30]: Section 6.3.1.12.2, “MPC5553: Pad Configuration Registers 4–7
(SIU_PCR4–SIU_PCR7),” on page 6-23
• CAL_DATA[0:15]: Section 6.3.1.12.6, “MPC5553: Pad Configuration Register 44
(SIU_PCR44),” on page 6-26 through Section 6.3.1.12.21, “MPC5553: Pad Configuration
Register 59 (SIU_PCR59),” on page 6-41
• CAL_WE/BE[0:1]: Section 6.3.1.12.26, “MPC5553: Pad Configuration Registers 66–67
(SIU_PCR66–SIU_PCR67),” on page 6-44
• CAL_CS[0]: Section 6.3.1.12.31, “MPC5553: Pad Configuration Register 71 (SIU_PCR71),” on
page 6-47
• CAL_CS[2]: Section 6.3.1.12.33, “MPC5553: Pad Configuration Register 72 (SIU_PCR72),” on
page 6-49
• CAL_CS[3]: Section 6.3.1.12.35, “MPC5553: Pad Configuration Register 73 (SIU_PCR73),” on
page 6-50
• CLKOUT: Section 6.3.1.12.115, “Pad Configuration Register 229 (SIU_PCR229),” on page 6-91
For MPC5554, see:
• Address Bus pins: Section 6.3.1.12.4, “MPC5554: Pad Configuration Registers 4–27
(SIU_PCR4–SIU_PCR27),” on page 6-24
• Data Bus pins: Section 6.3.1.12.5, “MPC5554: Pad Configuration Registers 28–59
(SIU_PCR28–SIU_PCR59),” on page 6-25
• CAL_WE
/BE[0:1]: Section 6.3.1.12.27, “MPC5554: Pad Configuration Registers 64–67
(SIU_PCR64–SIU_PCR67),” on page 6-45
• Chip Selects CS[0:3]: Section 6.3.1.12.1, “Pad Configuration Registers 0–3
(SIU_PCR0–SIU_PCR3),” on page 6-22
• CLKOUT: Section 6.3.1.12.115, “Pad Configuration Register 229 (SIU_PCR229),” on page 6-91
The drive strength of the calibration pins may be adjusted in the PCRs.
Table B-2. Number of Calibration Chip Selects Versus External Memory Size — MPC5553
CAL_CS[0]
CAL_CS
[2]/
CAL_ADDR[10]
CAL_CS[3]/
CAL_ADDR[11]
CAL_CS
[0]
Maximum
External Memory
Size (Mbytes)
CAL_CS[2]
Maximum
External Memory
Size (Mbytes)
CAL_CS[3]
Maximum
External Memory
Size (Mbytes)
CAL_CS
[0] CAL_ADDR[10] CAL_ADDR[11] 4 — —
CAL_CS[0] CAL_CS[2] CAL_ADDR[11] 2 2 —
CAL_CS[0] CAL_CS[2] CAL_CS[3]111