2 mcf548x external signals, 1 flexbus signals, 1 address/data bus (ad[31:0]) – Freescale Semiconductor MCF5480 User Manual

Page 86: Mcf548x external signals -16, Flexbus signals -16, Address/data bus (ad[31:0]) -16, 2 mcf548 x external signals

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MCF548x Reference Manual, Rev. 3

2-16

Freescale Semiconductor

2.2

MCF548x External Signals

2.2.1

FlexBus Signals

2.2.1.1

Address/Data Bus (AD[31:0])

The AD[31:0] bus carries address and data. The full 32-bit address is always driven on the first clock of a

bus cycle (address phase). The number of bytes used for data during the data phase is determined by the

port size associated with the matching chip select.

M16

VSS

—

—

—

AF8

1

E1COL

PFEC1H4

—

—

M23

VSS

—

—

—

AF9

E0TXCLK

PFEC0H7

—

—

M24

EVDD

—

—

—

AF10

E0MDIO

PFECI2C3

—

—

M25

PCIAD12

—

FBADDR12

—

AF11

E0RXD3

PFEC0L3

—

—

M26

PCIAD13

—

FBADDR13

—

AF12

E0RXD2

PFEC0L2

—

—

N1

SDCLK0

—

—

—

AF13

E0RXD1

PFEC0L1

—

—

N2

SDCLK0

—

—

—

AF14

3

USBCLKOUT

—

—

—

N3

SDCS0

—

—

—

AF15

3

USBCLKIN

—

—

—

N4

SDDATA7

—

—

—

AF16

3

USBD+

—

—

—

N11

VSS

—

—

—

AF17

3

USBD-

—

—

—

N12

VSS

—

—

—

AF18

USBRBIAS

—

—

—

N13

VSS

—

—

—

AF19

DREQ1

PDMA1

TIN1

IRQ1

N14

VSS

—

—

—

AF20

DREQ0

PDMA0

TIN0

—

N15

VSS

—

—

—

AF21

TIN2

PTIM5

IRQ2

CANRX1

N16

VSS

—

—

—

AF22

TIN0

—

—

—

N23

PCIAD16

—

FBADDR16

—

AF23

PSC3CTS

PPSC3PSC27

PSC3BCLK

—

N24

PCIAD14

—

FBADDR14

—

AF24

1

E1RXD0

PFEC1H1

—

—

N25

PCIAD17

—

FBADDR17

—

AF25

PSC1CTS

PPSC1PSC07

PSC1BCLK

—

N26

PCIAD15

—

FBADDR15

—

AF26

TOUT0

—

—

—

1

This pin is a “no connect” on the MCF5483 and MCF5482 devices.

2

This pin is a “no connect” on the MCF5481 and MCF5480 devices. On MCF5485, MCF5484, MCF5483, and MCF5482 device the pin
should be connected to the appriopriate power rail even is USB is not being used.

3

This pin is a “no connect” on the MCF5481 and MCF5480 devices.

Table 2-2. MCF5485/MCF5484 Signal Description by Pin Number (Continued)

PBGA Pin

Pin Functions

PBGA Pin

Pin Functions

Primary

GPIO

Secondary

Tertiary

Primary

GPIO

Secondary

Tertiary

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