Renesas Single-Chip Microcomputer M38C89T-ADF Bedienungsanleitung PDF herunterladen (Seite 68)

Rev.1.00 May 22 2012

REJ09B0566

4-48

Library

Reference

4.2.5 36BBus State Controller R_BSC_Create

PDL_BSC_RD_WR_DISABLE

Disable the Read/Write output of the BSC SDRAM signal.

PDL_BSC_RD_DISABLE

Disable the memory Read strobe signals for PCMCIA.

PDL_BSC_ICIOWR_DISABLE

Disable the IO Write cycles strobe signals for PCMCIA.

PDL_BSC_ICIORD_DISABLE

Disable the IO read cycle’s strobe signals for PCMCIA.

PDL_BSC_WE_DQMU_WE_DISABLE

Disable the WE1/DQMU/WE signals.

PDL_BSC_WE_DQML_DISABLE

Disable the WE0/DQML signal.

PDL_BSC_RAS_DISABLE

Disable the RAS signals Pin for SDRAM.

PDL_BSC_CAS_DISABLE

Disable the CAS signals Pin for SDRAM.

PDL_BSC_CKE_DISABLE

Disable the CKE signals Pin for SDRAM.

PDL_BSC_WAIT_DISABLE

Disable the External Wait input pin.

PDL_BSC_BREQ_DISABLE

Disable the Bus request output pin.

PDL_BSC_BACK_DISABLE

Disable the Bus enable output pin.

PDL_BSC_IOIS16_DISABLE

Disables the 16-bit I/O for PCMIA

Enabled only in little endian mode. The pin should be driven

low in big endian mode.

[data4]

• Select the SDRAM Refresh clock and Refresh Time

PDL_BSC_REFRESH_1_TIME or

PDL_BSC_REFRESH_2_TIME or

PDL_BSC_REFRESH_4_TIME or

PDL_BSC_REFRESH_6_TIME or

PDL_BSC_REFRESH_8_TIME

PDL_BSC_REFERSH_INT_ENABLE or

PDL_BSC_REFERSH_INT_DISABLE

PDL_BSC_REFRESH_STOP or

PDL_BSC_REFRESH_DIV_4_CLOCK or

PDL_BSC_REFRESH_DIV_16_CLOCK or

PDL_BSC_REFRESH_DIV_64_CLOCK or

PDL_BSC_REFRESH_DIV_256_CLOCK or

PDL_BSC_REFRESH_DIV_1024_CLOCK or

PDL_BSC_REFRESH_DIV_2048_CLOCK or

PDL_BSC_REFRESH_DIV_4096_CLOCK

Select the Number of continuous refresh cycle for

SDRAM

Enable or Disable the Compare match interrupt for

SDRAM Refresh.

Select the clock divider for the SDRAM Refresh

control.

[data5]

• Select the Refresh counter timeout.

[func]

The function to be called when a bus error occurs. Specify PDL_NA if not required.

[data5]

The interrupt priority level. Select between 0 (interrupt disabled) and 15 (highest priority).

Return value

True if all parameters are valid and exclusive; otherwise false.

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