Renesas Single-Chip Microcomputer M38C89T-ADF Instrukcja Użytkownika Pobierz pdf (Strona 70)

Rev.1.00 May 22 2012

REJ09B0566

4-50

3BLibrary Reference

R_BSC_CreateArea

4.2.5 36BBus State Controller

2) R_BSC_CreateArea

Synopsis

Configure an external bus area.

Prototype bool R_BSC_CreateArea(

uint8_t data1, // memory type uint8_t

data2, // Area Selection

unit32_t data3, // SDRAM configuration

unit32_t data4, // BUS configuration

uint8_t data5, // Write control configuration

uint8_t data6, // SW cycles

uint8_t data7, // WR cycles

uint8_t data8, // HW cycles

uint8_t data9, // BW cycles

uint8_t data10, // W cycles

uint8_t data11, // WW cycles

uint8_t data12, // A2CL cycles

uint8_t data13, // WTRP cycles

uint8_t data14, // WTRCD cycles

uint8_t data15, // A3CL cycles

uint8_t data16, // TRWL cycles

uint8_t data17, // WTRC cycles

uint8_t data18, // TED cycles

uint8_t data19, // PCW cycles

uint8_t data20, // TEH cycles

uint8_t data21,

// IWW cycles

uint8_t data22,

// WRWD cycles

uint8_t data23,

// IWRWS cycles

uint8_t data24,

// IWRRD cycles

uint8_t data25,

// IWRRS cycles

uint8_t data26,

// DMAIW cycles

);

Description (1/2)

Set up an external bus area.

[data1]

• Select type of memory that need to be configured for the given chip select

PDL_BSC_TYPE_NORMAL or

PDL_BSC_TYPE_BROMA

PDL_BSC_TYPE_MPXIO

PDL_BSC_TYPE_SRAM

PDL_BSC_TYPE_SDRAM

PDL_BSC_TYPE_PCMCIA

PDL_BSC_TYPE_BROMS

Select type of memory that need to be configured

[data2]

The address area n (where n = 0 to 7).

[data2]

Configure the data for SDRAM memory controls.

If multiple selections are required, use “|” to separate each selection.

The default settings are shown in bold.

• Select the number of bits of ROW Address for Area 2

PDL_BSC_A2ROW_11 or

PDL_BSC_A2ROW_12 or

PDL_BSC_A2ROW_13

Select the Number of Bit use to select ROW Address

for Area 2

• Select the number of bits of COL Address for Area 2

PDL_BSC_A2COL_8 or

PDL_BSC_A2COL_9 or

PDL_BSC_A2COL_10

Select the Number of Bit use to select COL Address

for Area 2

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 137 138

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