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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