DSP56852UM View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

DSP56852UM

16-bit Digital Signal Controllers

Freescale Semiconductor 

Table 3-1. 56852 Signal and Package Information for the 81-pin MAPBGA (Continued)

Pin No.

E4

F2

F3

F4

F1

G3

G2

J1

H2

H3

J2

H4

G4

J3

F5

H5

E5

F6

Signal Name

A0

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16

A17

Type

Output(Z)

Description

Address Bus (A0–A16)—These pins specify a word address for

external program or data memory addresses.

Output(Z) Address Bus (A17)

TIO0

Input/Output

Timer I/O (0)—Can be programmed as either a timer input source or as

a timer output flag.

G5

A18

Output(Z) Address Bus (A18)

TIO1

Input/Output

Timer I/O (1)—Can be programmed as either a timer input source or as

a timer output flag.

H6

A19

Output(Z) Address Bus (A19)

CS3

Output

External Chip Select 3 —When enabled, a CSx signal is asserted for

external memory accesses that fall within a programmable address

range.

J8

CLKO

Output

Output clock (CLKO)—User programmable clock out reference

A20

Output

Address Bus—A20

D2

CS0

Output

Chip Select 0 (CS0) —When enabled, a CSx signal is asserted for

external memory accesses that fall within a programmable address

range.

GPIOA0

Input/Output Port A GPIO (0) —A general purpose IO pin.

56852 Technical Data, Rev. 8

10

Freescale Semiconductor

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