VI SDRAM CONTROLLER BLOCK: SDRAM INTERFACE
B-VI-2-22
EPSON
S1C33L03 FUNCTION PART
Name
Address
Register name
Bit
Function
Setting
Init.
R/W
Remarks
SDRTRCD1
SDRTRCD0
SDRTRSC
SDRTRRD1
SDRTRRD0
–
D7–6
D5
D4–3
D2–0
SDRAM t
RCD
spec
SDRAM t
RSC
spec
SDRAM t
RRD
spec
reserved
0
0
0
0
0
–
R/W
R/W
R/W
–
0 when being read.
039FFC5
(B)
SDRAM
timing set-up
register 2
1
1
0
0
1
0
1
0
SDRTRCD[1:0] Number of clocks
3
2
1
4
1
1
0
0
1
0
1
0
SDRTRRD[1:0] Number of clocks
3
2
1
4
–
1 1 clock
0 2 clocks
–
SDRARFC11
SDRARFC10
SDRARFC9
SDRARFC8
SDRARFC7
SDRARFC6
SDRARFC5
SDRARFC4
SDRARFC3
SDRARFC2
SDRARFC1
SDRARFC0
DF–C
DB
DA
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
reserved
SDRAM auto refresh count [11:0]
–
1
1
1
1
1
1
1
1
1
1
1
1
–
R/W
0 when being read.
039FFC6
(HW)
SDRAM
auto refresh
count register
0 to 4096
–
–
SDRSRFC3
SDRSRFC2
SDRSRFC1
SDRSRFC0
D7–4
D3
D2
D1
D0
reserved
SDRAM self refresh count [3:0]
–
1
1
1
1
–
R/W
0 when being read.
This register must
not be set less than
"0x02".
039FFC8
(B)
SDRAM
self refresh
count register
2 to 15
–
–
–
–
SDRSZ
SDRBI
–
D7
D6
D5
D4–0
reserved
SDRAM data path bit width
SDRAM bank interleaved access
reserved
–
0
0
–
–
R/W
R/W
–
0 when being read.
0 when being read.
039FFC9
(B)
1 8 bits
0 16 bits
1 Interleaved 0 One bank
SDRAM
advanced
control
register
–
SDRMRS
SDRSRM
–
D7
D6
D5–0
SDRAM mode register set flag
SDRAM current refresh mode
reserved
1
1
–
R
R
–
0 when being read.
039FFCA
(B)
1 Not finished 0 Done
1 Auto refresh 0 Self refresh
SDRAM
status register
Note: Do not access addresses 0x039FFCB to 0x039FFCD, because they are reserved for testing the
SDRAM controller.
Summary of Contents for CMOS 32-Bit Single Chip Microcomputer S1C33L03
Page 4: ......
Page 14: ......
Page 15: ...S1C33L03 PRODUCT PART ...
Page 16: ......
Page 147: ...S1C33L03 FUNCTION PART ...
Page 148: ......
Page 149: ...S1C33L03 FUNCTION PART I OUTLINE ...
Page 150: ......
Page 152: ...I OUTLINE INTRODUCTION B I 1 2 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 162: ...I OUTLINE LIST OF PINS B I 3 8 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 163: ...S1C33L03 FUNCTION PART II CORE BLOCK ...
Page 164: ......
Page 166: ...II CORE BLOCK INTRODUCTION B II 1 2 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 172: ...II CORE BLOCK CPU AND OPERATING MODE B II 2 6 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 176: ...II CORE BLOCK INITIAL RESET B II 3 4 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 224: ...II CORE BLOCK BCU Bus Control Unit B II 4 48 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 262: ...II CORE BLOCK DBG Debug Unit B II 7 2 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 263: ...S1C33L03 FUNCTION PART III PERIPHERAL BLOCK ...
Page 264: ......
Page 266: ...III PERIPHERAL BLOCK INTRODUCTION B III 1 2 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 322: ...III PERIPHERAL BLOCK WATCHDOG TIMER B III 5 4 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 415: ...S1C33L03 FUNCTION PART IV ANALOG BLOCK ...
Page 416: ......
Page 418: ...IV ANALOG BLOCK INTRODUCTION B IV 1 2 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 434: ...IV ANALOG BLOCK A D CONVERTER B IV 2 16 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 435: ...S1C33L03 FUNCTION PART V DMA BLOCK ...
Page 436: ......
Page 438: ...V DMA BLOCK INTRODUCTION B V 1 2 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 492: ...V DMA BLOCK IDMA Intelligent DMA B V 3 18 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 493: ...S1C33L03 FUNCTION PART VI SDRAM CONTROLLER BLOCK ...
Page 494: ......
Page 531: ...S1C33L03 FUNCTION PART VII LCD CONTROLLER BLOCK ...
Page 532: ......
Page 579: ...S1C33L03 FUNCTION PART Appendix I O MAP ...
Page 580: ......