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
