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TMP92CZ26A
92CZ26A-510
3.19.2 SFRs
LCDMODE0 Register
7 6 5 4 3 2 1 0
bit Symbol
RAMTYPE1 RAMTYPE0
SCPW1 SCPW0 MODE3 MODE2 MODE1 MODE0
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
After reset 0 0 1 1 0 0 0 0
Function
Display RAM
00: Internal RAM
01: External SRAM
10: SDRAM
11: Reserved
LD bus transfer speed
SCPW2= 0
00: 2-clk
01: 4-clk
10: 8-clk
11: 16-clk
SCPW2= 1
00: 6-clk
01: 12-clk
10: 24-clk
11: 48-clk
Mode selection
0000: Reserved 1000: Reserved
0001: SR (mono) 1001: Reserved
0010: SR (4-gray) 1010: TFT (256-color)
0011: Reserved 1011: TFT (4096-color)
0100: SR (16-gray) 1100: TFT (64K-color)
0101: SR (64-gray) 1101:TFT(256K-,16M-color)
0110: STN (256-color) 1110 : Reserved
0111:STN (4096-color)1111: Reserved
Note: When SDRAM is used as the LCDC’s display RAM, it can only be accessed by “burst 1-clock access”.
LCDMODE1 Register
7 6 5 4 3 2 1 0
bit Symbol LDC2 LDC1 LDC0 LDINV AUTOINV INTMODE FREDGE SCPW2
Read/Write R/W R/W R/W R/W R/W R/W W W
After reset 0 0 0 0 0 0 0 0
Function
Data rotation function
(Supported for 64K-color: 16bps
only)
000: Normal 100: 90-degree
001: Horizontal flip 101: Reserved
010: Vertical flip 110: Reserved
011: Horizontal & vertical flip
111: Reserved
LD bus
inversion
0: Normal
1: Invert
Auto bus
inversion
0: Disable
1: Enable
(Valid only
for TFT)
Interrupt
selection
0:LLOAD
1:LVSYNC
LFR edge
0: LHSYNC
Front Edge
1:LHSYNC
Rear Edge
LD bus
Trance
Speed
0: normal
1: 1/3
Note: <LDINV>=1 inverts all output data on the LD bus. However, the LDIV signal that indicates the inversion of
output data by auto bus inversion remains unchanged.
LCD Size Setting Register
7 6 5 4 3 2 1 0
bit Symbol COM3 COM2 COM1 COM0 SEG3 SEG2 SEG1 SEG0
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
After reset 0 0 0 0 0 0 0 0
Function
Common setting
0000: Reserved 1000: 320
0001: 64 1001: 480
0010: 96 1010: Reserved
0011: 120 1011: Reserved
0100: 128 1100: Reserved
0101: 160 1101: Reserved
0110: 200 1110: Reserved
0111: 240 1111: Reserved
Segment setting
0000: Reserved 1000: Reserved
0001: 64 1001: Reserved
0010: 128 1010: Reserved
0011: 160 1011: Reserved
0100: 240 1100: Reserved
0101: 320 1101: Reserved
0110: 480 1110: Reserved
0111: 640 1111: Reserved
Note: Although the TMP92CZ26A contains 288 Kbytes of RAM that can be used as display RAM, it may not be
enough depending on display size and color mode.
LCDMODE0
(
0280H
)
LCDSIZE
(
0284H
)
LCDMODE1
(
0281H
)