Freescale Semiconductor, Inc.
The V
and GND pins are separated into groups to help electrically isolate the output
CC
drivers for different functions of the MC68340. These groups are shown in the following
table for the FE suffix package.
Pin Group — FE Suffix
Address Bus, Function Codes
V
GND
CC
41, 50, 59, 68, 134 42, 51, 60, 69, 135
Data Bus
113, 123
114, 124
AS, BG, CLKOUT, DS, FREEZE, HALT, IFETCH, IPIPE,
MODCK, RESET, RMC, R/W, SIZ≈, TDO, TOUT1,
Internal Logic
15, 17, 35, 143
13, 21, 36, 144
CS≈, DACK≈, DONE≈, IRQ≈, RTS≈, R≈RDYA,
TOUT2, TxDx, T≈RDYA, Internal Logic
78, 90, 102
79, 91, 103
Oscillator
19
23
—
Internal Only
55, 126
MOTOROLA
MC68340 USER’S MANUAL
12-3
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