MPC8641D datasheet(108/140 Pages) FREESCALE

108 / 140 page

MPC8641 and MPC8641D Integrated Host Processor Hardware Specifications, Rev. 1

108

Freescale Semiconductor

Signal Listings

Note:

1. Multi-pin signals such as D1_MDQ[0:63] and D2_MDQ[0:63] have their physical package pin numbers listed in order

corresponding to the signal names.

2. Stub Series Terminated Logic (SSTL-18 and SSTL-25) type pins.

3. If a DDR port is not used, it is possible to leave the related power supply (Dn_GVDD, Dn_MVREF) turned off at reset. Note

that these power supplies can only be powered up again at reset for functionality to occur on the DDR port.

4. Low Voltage Differential Signaling (LVDS) type pins.

5. Low Voltage Transistor-Transistor Logic (LVTTL) type pins.

6. This pin is a reset configuration pin and appears again in the Reset Configuration Signals section of this table. See the Reset

Configuration Signals section of this table for config name and connection details.

7. Recommend a weak pull-up resistor (1–10 k

Ω) be placed from this pin to its power supply.

8. Recommend a weak pull-down resistor (2–10 k

Ω) be placed from this pin to ground.

9. This multiplexed pin has input status in one mode and output in another

10. This pin is a multiplexed signal for different functional blocks and appears more than once in this table.

11. This pin is open drain signal.

12. Functional only on the MPC8641D.

13. These pins should be left floating.

14. These pins should be connected to SVDD.

TSEC4_TXD[5]/

cfg_tsec4_reduce

AB18

LVDD

TSEC4_TXD[6:7]/

cfg_tsec4_prtcl[0:1]

AB17, AB16

LVDD

LAD[0:31]/

cfg_gpporcr[0:31]

A30, E29, C29, D28, D29, H25, B29, A29,

C28, L22, M22, A28, C27, H26, G26, B27,

B26, A27, E27, G25, D26, E26, G24, F27,

A26, A25, C25, H23, K22, D25, F25, H22

-OVDD

LWE[0]/

cfg_cpu_boot

E21

OVDD

LWE[1]/

cfg_rio_sys_size

F21

OVDD

LWE[2:3]/

cfg_host_agt[0:1]

D22, E20

OVDD

LDP[0:3], LA[27] /

cfg_core_pll[0:4]

A24, E24, C24, B24,

J21

-OVDD

LA[28:31]/

cfg_sys_pll[0:3]

K21, G22, F24, G21

OVDD

LGPL[3],

LGPL[5]/

cfg_boot_seq[0:1]

K20,

J19

-OVDD

D1_MSRCID[0]/

cfg_mem_debug

F15

OVDD

D1_MSRCID[1]/

cfg_ddr_debug

K15

OVDD

Table 63. MPC8641 Signal Reference by Functional Block (continued)

Name1

Package Pin Number

Pin Type

Power Supply

Notes

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