mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 670

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Application information
29.6 Application information
This section contains information for using the ADC module in applications. The ADC
has been designed to be integrated into a microcontroller for use in embedded control
applications requiring an ADC.
29.6.1 External pins and routing
The following sections discuss the external pins associated with the ADC module and
how they should be used for best results.
29.6.1.1 Analog supply pins
The ADC module has analog power and ground supplies (V
separate pins on some devices. V
on some devices. On other devices, V
670
Figure 29-48. Initialization Flowchart for Example
MCF51JF128 Reference Manual, Rev. 2, 03/2011
SSA
Read Rn
to clear
SC1n[COCO] bit
SC1n[COCO]=1?
is shared on the same pin as the MCU digital VSS
SSA
Initialize ADC
CFG1 = 0x98
SC1n = 0x41
SC2 = 0x00
Continue
Preliminary
Reset
Check
and V
Yes
DDA
No
are shared with the MCU digital
DDA
and V
Freescale Semiconductor, Inc.
SSA
) available as