AN2866 Freescale Semiconductor / Motorola, AN2866 Datasheet - Page 8

• Manufacturer Part Number: AN2866
• Description: Migrating from the MC68332 to the ColdFire MCF523x
• Manufacturer: Freescale Semiconductor / Motorola

Device Differences
2.3
Because of the devices’ different packages, it is not useful to compare their pinouts. It is useful to discuss
the commonality of signals brought out of each device.
externally-accessible signals.
8
Mode Selects
Module
Clocks
Reset
External Signal Comparison
MC68332 Signal
Migrating from the MC68332 to the ColdFire
CLKOUT
MODCK
Table 1. MC68332/MCF523x External Signal Comparison
RESET
EXTAL
XTAL
XFC
—
—
—
—
MCF523x Signal
eTPU/EthENB
CLDMOD[1:0]
JTAG_EN
RSTOUT
CLKOUT
RESET
EXTAL
RCON
Table 1
XTAL
—
®
is a summary of each device’s
MCF523x, Rev. 1.0
Reset configuration can be overriden
via D[26:24, 21, 19:16]
Selects either upper eTPU channel or
Ethernet functionality
Can now select between JTAG and
BDM functionality
Freescale Semiconductor
Comment