Fujitsu mb91192 Manual Do Utilizador
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CHAPTER 8 Programmable Pulse Generator (PPG0, 1)
8.1
Overview of Programmable Pulse Generator (PPG0, 1)
The programmable pulse generators (PPG0, 1) have built-in buffer RAM (PPG0: 256
bytes, PPG1: 64 bytes) and A/DC hard start function.
bytes, PPG1: 64 bytes) and A/DC hard start function.
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Feature of Programmable Pulse Generator (PPG0, 1)
•
Built-in buffer RAM (PPG0: 256 bytes, PPG1: 64 bytes)
•
Output timing precision 800 ns(@20 MHz)
•
Built-in A/D converter hard start function
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Block Diagram of Programmable Pulse Generator (PPG0, 1)
Figure 8.1-1 Block diagram of programmable pulse generator (PPG0, 1)
IRQ06 (to I-Unit)
to Internal logic unit
to Port output unit
to Internal logic
IRQ07 (to I-Unit)
PPG1 control unit
PPG0 control unit
Data RAM 256 byte
PO19-23
PO10-15
PO0-18
PO0-9
P0-18O
to General - purpose Prescaler
FRC3-19
from FRC
PO15
Data RAM 64 byte