Typewriter User Manual

MOTOROLA MC68340 USER’S MANUAL 12-3
The V
CC
and GND pins are separated into groups to help electrically isolate the output
drivers for different functions of the MC68340. These groups are shown in the following
table for the FE suffix package.
Pin Group — FE Suffix V
CC
GND
Address Bus, Function Codes 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 —
Internal Only 23 55, 126
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
nc...