Hitachi CP-S845W specifications Initial set signals, Computer/signal Horizontal Timing µs

Connection to the RGB signal terminal(continued)

4. Initial set signals

The following signals are initially set. The settings may be different depending on the computer type. In

this case, adjust the settings referring to pages 16, 17.

Back porch(b) Front porch(d)

Active(c)

DATA

HSYNC

Sync.(a)

Computer/signal	Horizontal Timing (µs)
	a	b	c	d
VGA-1	3.8	1.9	25.4	0.6
VGA-2	3.8	1.9	25.4	0.6
PC-9800	3.0	3.8	30.4	3.0
TEXT	3.8	1.9	25.4	0.6
VGA-3	3.8	1.9	25.4	0.6
Mac 13" mode	2.1	3.2	21.2	2.1
VGA-3 (72Hz)	1.3	3.8	20.3	1.0
VGA-3 (75Hz)	2.0	3.8	20.3	0.5
VGA-3 (85Hz)	1.6	2.2	17.8	1.6
SVGA (56Hz)	2.0	3.6	22.2	0.7
SVGA (60Hz)	3.2	2.2	20.0	1.0

Computer/signal	Horizontal Timing (µs)
	a	b	c	d
SVGA (72Hz)	2.4	1.3	16.0	1.1
SVGA (75Hz)	1.6	3.2	16.2	0.3
SVGA (85Hz)	1.1	2.7	14.2	0.6
Mac 16" mode	1.1	3.9	14.5	0.6
XGA (60Hz)	2.1	2.5	15.8	0.4
XGA (70Hz)	1.8	1.9	13.7	0.3
XGA (75Hz)	1.2	2.2	13.0	0.2
XGA (85Hz)	1.0	2.2	10.8	0.5

Back porch(b)

DATA

VSYNC

Front porch(d)

Active(c)

Sync.(a)

Computer/signal		Vertical Timing (lines)
	a		b	c	d
VGA-1	2		59	350	38
VGA-2	2		34	400	13
PC-9800	8		25	400	7
TEXT	2		34	400	13
VGA-3	2		33	480	10
Mac 13" mode	3		39	480	3
VGA-3 (72Hz)	3		28	480	9
VGA-3 (75Hz)	3		16	480	1
VGA-3 (85Hz)	3		25	480	1
SVGA (56Hz)	2		22	600	1
SVGA (60Hz)	4		23	600	1

Computer/signal		Vertical Timing (lines)
	a		b	c	d
SVGA (72Hz)	6		23	600	37
SVGA (75Hz)	3		21	600	1
SVGA (85Hz)	3		27	600	1
Mac 16" mode	3		39	624	1
XGA (60Hz)	6		29	768	3
XGA (70Hz)	6		29	768	3
XGA (75Hz)	3		28	768	1
XGA (85Hz)	3		36	768	1

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