Timing Specification - IBM 6551-T3N Service Manual

6551-T3N/6551-U3N

TIMING SPECIFICATION

MODE
MODE AT PRODUCTION
RESOLUTION
CLOCK
HORIZONTAL
H-FREQ
H. TOTAL
H. BLK
H. FP
H. SYNC
H. BP
H. ACTIV
– VERTICAL –
V. FREQ(HZ)
V. TOTAL
V. BLK
V. FP
V. SYNC
V. BP
V. ACTIV
– SYNC –
INT(G)
EXT(H/V)/POLARITY
EXT(CS) /POLARITY
INT/NON INT
SIZE
MODE
MODE AT PRODUCTION
RESOLUTION
CLOCK
HORIZONTAL
H-FREQ
H. TOTAL
H. BLK
H. FP
H. SYNC
H. BP
H. ACTIV
– VERTICAL –
V. FREQ(HZ)
V. TOTAL
V. BLK
V. FP
V. SYNC
V. BP
V. ACTIV
– SYNC –
INT(G)
EXT(H/V)/POLARITY
EXT(CS) /POLARITY
INT/NON INT
SIZE
TEST MODE
MODE 1 MODE 2
640 X 480 640 X 480
25.175 MHz 36.000 MHz
31.469 kHz 43.269 kHz
usec usec
31.778 23.111
6.356 5.333
0.636 1.556
3.813 1.556
1.907 2.222
25.422 17.778
59.940 Hz 85.008 Hz
lines lines
525 509
45 29
10 1
2 3
33 25
480 480
NO NO
YES N/N YES N/N
NO NO
NON INT NON INT
352 X 264 mm 352 X 264 mm
TEST MODE
MODE 6 MODE 7
1024 X 768 1280 X 1024
94.500 MHz 135.000 MHz
68.677 kHz 79.976 kHz
usec usec
14.561 12.504
3.725 3.022
0.508 0.119
1.016 1.067
2.201 1.837
10.836 9.481
84.997 Hz 75.025 Hz
lines lines
808 1066
40 42
1 1
3 3
36 38
768 1024
NO NO
YES P/P YES P/P
NO NO
NON INT NON INT
352 X 264 mm 330 X 264 mm
MODE 3
800 X 600
49.500 MHz
46.875 kHz
usec
21.333
5.172
0.323
1.616
3.232
16.162
75.000 Hz
lines
625
25
1
3
21
600
NO
YES P/P
NO
NON INT
352 X 264 mm
MODE 8
1280 X 1024
157.500 MHz
91.146 kHz
usec
10.971
2.844
0.406
1.016
1.422
8.127
85.024 Hz
lines
1072
48
1
3
44
1024
NO
YES P/P
NO
NON INT
330 X 264 mm
– 4 –
MODE 4 MODE 5
800 X 600 1024 X 768
56.250 MHz 78.750 MHz
53.674 kHz 60.023 kHz
usec usec
18.631 16.660
4.409 3.657
0.569 0.203
1.138 1.219
2.702 2.235
14.222 13.003
85.061 Hz 75.029 Hz
lines lines
631 800
31 32
1 1
3 3
27 28
600 768
NO NO
YES P/P YES P/P
NO NO
NON INT NON INT
352 X 264 mm 352 X 264 mm
MODE 9 MODE 10
1600 X 1200 1600 X 1200
202.500 MHz 229.500 MHz
93.750 kHz 106.250 kHz
usec usec
10.667 9.412
2.765 2.440
0.316 0.279
0.948 0.837
1.501 1.325
7.901 6.972
75.000 Hz 85.000 Hz
lines lines
1250 1250
50 50
1 1
3 3
46 46
1200 1200
NO NO
YES P/P YES P/P
NO NO
NON INT NON INT
352 X 264 mm 352 X 264 mm
99.04.26 VER.