SH7708 datasheet(210/633 Pages) RENESAS

210 / 633 page

192

10.1.4

The BSC has 11 registers (table 10.2). The synchronous DRAM also has a built-in synchronous

DRAM mode register. These registers control direct connection interfaces to memory, wait states,

refreshes, and PCMCIA devices.

Table 10.2

Name

Abbr.

R/W

Initial Value*

Address

Bus Width

Bus control register 1

BCR1

R/W

H'0000

H'FFFFFF60

Bus control register 2

BCR2

R/W

H'3FFC

H'FFFFFF62

Wait state control register 1

WCR1

R/W

H'3FFF

H'FFFFFF64

Wait state control register 2

WCR2

R/W

H'FFFF

H'FFFFFF66

Individual memory control register

MCR

R/W

H'0000

H'FFFFFF68

DRAM control register

DCR

R/W

H'0000

H'FFFFFF6A

PCMCIA control register

PCR

R/W

H'0000

H'FFFFFF6C

Refresh timer control/status register RTCSR

R/W

H'0000

H'FFFFFF6E

Refresh timer counter

RTCNT

R/W

H'0000

H'FFFFFF70

Refresh time constant register

RTCOR

R/W

H'0000

H'FFFFFF72

Refresh count register

RFCR

R/W

H'0000

H'FFFFFF74

SDRAM mode register, area 2

SDMR

—

H'FFFFD000–

H'FFFFDFFF

SDRAM mode register, area 3

H'FFFFE000–

H'FFFFEFFF

Notes: 1. For details see section 10.2.8, Synchronous DRAM Mode Register.

2. Initialized during a power-on reset.

SH7708 数据表(PDF) 210 Page - Renesas Technology Corp

SH7708 数据表(HTML) 210 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载

链接网址

SH7708 数据表(PDF) 210 Page - Renesas Technology Corp

SH7708 数据表(HTML) 210 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表 下载

链接网址

数据表下载