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Freescale Semiconductor MC68881 - Pin Assignments

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13
13.2 PIN ASSIGNMENTS
68-PIN GRID ARRAY
0 0 0 0 0 0 0 0 0 0
A1 R/~N GND*OSACK1 D30 D29 D27 g26 D24 D22
0 0 0 0 0 0 0 0 0 0
A3 VCC'* CS DSAC, K0 D3~ OZB 025 GNO D23 D2~
0 0 0 0 0 0
AS A2 A0 VCC GND'" D19
0 0 0 0
DS A4 D20 DIS
0 0 0 0
SIZE
GND** D17 D15
0 0 0 0
NC VCC VCC 6ND
0 0 0 0
GND** D12 D15
0 0 0 0 0 0
GND CLK GND D9 D13 D14
0 0 0 o 0 0 o o 0 0
VCC* GND*GND*SE-~'~ D2 D5 GND VCC D10 Dll
0 0 0 0 0 0 0 0 0 0
JCC** 6ND* DO D1 D3 D4 DB D7 D8 GND*"
1 2 3 4 5 6 7 8 9 10
Pin Group
VCC GND
D31-D16 H8 JB
D15-DO0 B8 B7
Internal Logic,
E2, E9
DSACK1, DSACK0
Separate
--
C1
E~ra A1, B1,J2 A10, D2, F2, H9
A2, B2, B3,
134"**,
C3, E10, K3
*New assignment for the A93N mask.
**Reserved for future Freescale use.
***SENSE pin. may be used as an additional GND pin.
FREESCALE
13-2
MC68881/MC68882 USER'S MANUAL

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