HMS30C7202N
2004 MagnaChip Semiconductor Ltd. All Rights Reserved. Version 1.1
- 2 -
5.4.1
5.4.2
5.4.3
Reset Sequences of Power On Reset........................................................................................................... 34
Software Generated Warm Reset................................................................................................................ 35
An Externally generated Warm Reset......................................................................................................... 35
6
SDRAM CONTROLLER........................................................................................................................................ 37
6.1
6.2
S
UPPORTED
M
EMORY
D
EVICES
............................................................................................................................ 37
R
EGISTERS
.......................................................................................................................................................... 38
6.2.1
SDRAM Controller Configuration Register (SDCON)............................................................................... 38
6.2.2
SDRAM Controller Refresh Timer Register (SDREF)................................................................................ 40
6.2.3
SDRAM Controller Write buffer flush timer Register (SDWBF)................................................................. 40
6.2.4
SDRAM Controller Wait Driver Register (SDWAIT).................................................................................. 40
6.3
P
OWER
-
UP
I
NITIALIZATION OF THE
SDRAM
S
....................................................................................................... 40
6.4
SDRAM
M
EMORY
M
AP
...................................................................................................................................... 41
6.5
AMBA
A
CCESSES AND
A
RBITRATION
.................................................................................................................. 42
6.6
M
ERGING
W
RITE
B
UFFER
.................................................................................................................................... 42
7
STATIC MEMORY INTERFACE.......................................................................................................................... 44
7.1
7.2
E
XTERNAL
S
IGNALS
............................................................................................................................................. 44
F
UNCTIONAL
D
ESCRIPTION
.................................................................................................................................. 44
7.2.1
Memory bank select.................................................................................................................................... 44
7.2.2
Access sequencing...................................................................................................................................... 44
7.2.3
Wait states generation ................................................................................................................................ 45
7.2.4
Burst read control....................................................................................................................................... 45
7.2.5
Byte lane write control ............................................................................................................................... 45
7.3
R
EGISTERS
.......................................................................................................................................................... 46
7.3.1
MEM Configuration Register..................................................................................................................... 46
7.4
E
XAMPLES OF THE
SMI
R
EAD
,
W
RITE WAIT TIMING DIAGRAM
.............................................................................. 47
7.4.1
Read normal wait (Non-Sequential mode).................................................................................................. 47
7.4.2
Read normal wait (Sequential mode) ......................................................................................................... 48
7.4.3
Read burst wait (Sequential mode)............................................................................................................. 49
7.4.4
Write normal wait (Sequential mode)......................................................................................................... 50
7.5
I
NTERNAL
SRAM................................................................................................................................................ 51
7.5.1
Remapping Enable Register....................................................................................................................... 51
7.5.2
Remap Source Address Register................................................................................................................. 51
8
LCD CONTROLLER.............................................................................................................................................. 52
8.1
V
IDEO OPERATION
............................................................................................................................................... 52
8.1.1
LCD datapath............................................................................................................................................. 53
8.1.1.1
Palette RAM & 16bpp mode.................................................................................................................. 53
8.1.2
Color/Grayscale Dithering......................................................................................................................... 55
8.1.3
How to order the bit on LD[7:0] output..................................................................................................... 55
8.1.4
TFT mode................................................................................................................................................... 56
8.2
R
EGISTERS
.......................................................................................................................................................... 56
8.2.1
LCD Power Control ................................................................................................................................... 56
8.2.2
LCD Controller Status/Mask and Interrupt Registers ................................................................................ 57
8.2.3
LCD DMA Base Address Register.............................................................................................................. 58
8.2.4
LCD DMA Channel Current Address Register........................................................................................... 58
8.2.5
LCD Timing 0 Register............................................................................................................................... 58
8.2.6
LCD Timing 1 Register............................................................................................................................... 59
8.2.7
LCD Timing 2 Register............................................................................................................................... 60
8.2.8
LCD Test Register....................................................................................................................................... 61
8.2.9
Grayscaler Test Registers........................................................................................................................... 61
8.2.10
LCD Palette registers................................................................................................................................. 62
8.3
T
IMINGS
.............................................................................................................................................................. 63
9
FAST AMBA PERIPHERALS................................................................................................................................ 64
9.1
DMA
C
ONTROLLER
............................................................................................................................................. 64
9.1.1
External Signals......................................................................................................................................... 64
9.1.2
Registers..................................................................................................................................................... 64
9.1.2.1
ADR0..................................................................................................................................................... 65