saa6712e NXP Semiconductors, saa6712e Datasheet - Page 26

• Manufacturer Part Number: saa6712e
• Description: Xga Rgb To Tft Graphics Engine
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Note
1. Register does not work with register address auto-increment, but with incrementing the address on which the
Table 6 Detailed description of programming registers
1999 Aug 25
State
IIC
IIC test register
S
Interrupt state
RGB mode detection
S
Hsync presence
Vsync presence
Hsync polarity
Vsync polarity
V
Number of lines between two Vsyncs
H
Number of clocks between two Hsyncs
ADDRESS R/W
TATE REGISTER
YNC DETECT REGISTER
ERTICAL FRAME RESOLUTION
ORIZONTAL FRAME RESOLUTION
XGA RGB to TFT graphics engine
Interrupt active
Interrupt not active
Hsync present
Hsync not present
Vsync present
Vsync not present
Negative Hsync
Positive Hsync
Negative Vsync
Positive Vsync
operation is performed.
TEST REGISTER
227
228
229
230
231
232
233
W
W
W
W
W
W
W
h_active_start[7 to 0]
v_vs_end[7 to 0]
h_max_len[7 to 0]
D7
NAME
D6
D5
26
D4
SUBADDRESS
D3
5 and 6
7 and 8
2
3
4
h_de_end[10 to 8]
h_active_start[10 to 8]
v_vs_end[10 to 8]
h_max_len[10 to 8]
D2
R/W
R/W D7 to D0
R
R
R
R
Preliminary specification
D0
D0
D1
D2
D3
D10 to D0
D11 to D0
logic 0
logic 1
logic 0
logic 1
logic 0
logic 1
logic 0
logic 1
logic 0
logic 1
D1
SAA6712E
DATA
D0