Fujitsu MB91191 Manual Do Utilizador

174

CHAPTER 8 Programmable Pulse Generator (PPG0, 1)

8.4

Configuration of Frame Data

Each frame is made up of 2-byte length output timing data (OTD) that specifies the
output time and n x 2-byte length output pattern data (OPDx) that specifies the output
value.
In terms of the PPG0 frame configuration, 4 bytes (32 bits) of output pattern data exist,
which is a 6 bytes per frame configuration; and for PPG1, 2 bytes (16 bits) of output
pattern data exist, which is a 4 bytes per frame configuration.

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PPG0 Frame Data

Figure 8.4-1 PPG0 Frame data

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PPG1 Frame Data

Figure 8.4-2 PPG1 Frame data

7 6 5 4 3 2 1 0

TD15 TD14 TD13 TD12 TD11 TD10 TD09 TD08
TD07 TD06 TD05 TD04 TD03 TD02 TD01 TD00

OD31 OD30 OD29 OD28 OD27 OD26 OD25 OD24
OD23 OD22 OD21 OD20 OD19 OD18 OD17 OD16

OD15 OD14 OD13 OD12 OD11 OD10 OD09 OD08
OD07 OD06 OD05 OD04 OD03 OD02 OD01 OD00

[OD31-29]: Unused
[OD 28 ]: PPG0 interrupt control
[OD 27 ]: A/DC Start control (ADST0)
[OD26-24]: A/DC Channel control
[OD23-19]: Unused
[OD18-16]: PO018-016 Output data
[OD 15 ]: PO015, Update timing output data of General - purpose prescaler
[OD14-00]: PO014-000 Output data

[TD15-0]: Output timing data

7 6 5 4 3 2 1 0

TD15 TD14 TD13 TD12 TD11 TD10 TD09 TD08
TD07 TD06 TD05 TD04 TD03 TD02 TD01 TD00

OD15 OD14 OD13 OD12 OD11 OD10 OD09 OD08
OD07 OD06 OD05 OD04 OD03 OD02 OD01 OD00

[OD 15 ]: Unused
[OD 14 ]: PPG1 Interrupt control
[OD 13 ]: A/DC Start control (ADST1)
[OD12-10]: Unused
[OD09-00]:PO109-100 Output data

[TD15-0]: Output timing data