MC9S12DG256B View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

MFG CO.

MC9S12DG256B

device made up of standard HCS12 blocks and the HCS12 processor core

Freescale Semiconductor 

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MC9S12DP256B Device User GFuirdeee—scV0a2.l1e5 Semiconductor, Inc.

ECLK

PE4

Addr/Data

(read)

PA, PB

5

9

data

Addr/Data

(write)

data

PA, PB

1, 2

3

4

6

16

15

addr

7

8

12

addr

10

data

14

data

11

13

Non-Multiplexed

Addresses

PK5:0

ECS

PK7

17

18

20

21

19

22

23

24

25

26

R/W

PE2

27

28

29

LSTRB

PE3

30

31

32

NOACC

PE7

33

34

IPIPO0

IPIPO1, PE6,5

35

36

Figure A-9 General External Bus Timing

120

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