Datasheet

MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.7
MCF51AC256 Family Configurations
Freescale Semiconductor4
1.2 Block Diagram
Figure 1 shows the connections between the MCF51AC256 series pins and modules.
TPM3 (timer pulse-width modulator)
channels
2
VBUS (debug visibility bus) Yes No Yes No Yes No Yes No
1
The members of MCF51AC128A with CAN support have 32 KB RAM. The other members have 16 KB RAM.
2
Up to 16 pins on Ports E and F are shared with the ColdFire Rapid GPIO module.
Table 1. MCF51AC256 Series Device Comparison (continued)
Feature
MCF51AC256A MCF51AC256B MCF51AC128A MCF51AC128C
80-pin 64-pin 80-pin 64-pin 44-pin 80-pin 64-pin 80-pin 64-pin 44-pin