W83627HF/F
PRELIMINARY
Publication Release Date: November 2000
- 83 -
Revision 1.0
7. KEYBOARD CONTROLLER
The KBC (8042 with licensed KB BIOS) circuit of W83627HF is designed to provide the functions needed
to interface a CPU with a keyboard and/or a PS/2 mouse, and can be used with IBM
-
compatible
personal computers or PS/2-based systems. The controller receives serial data from the keyboard or
PS/2 mouse, checks the parity of the data, and presents the data to the system as a byte of data in its
output buffer. Then, The controller will asserts an interrupt to the system when data are placed in its
output buffer. The keyboard and PS/2 mouse are required to acknowledge all data transmissions. No
transmission should be sent to the keyboard or PS/2 mouse until an acknowledge is received for the
previous data byte.
8042
P24
P25
P21
P20
P27
P10
P26
T0
P23
T1
P22
P11
KIRQ
MIRQ
GATEA20
KBRST
P17
KINH
GP I/O PINS
P12~P16
KDA T
KCLK
MCLK
MDA T
Multiplex I/O PINS
Keyboard and Mouse Interface
Содержание W83627F
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Страница 99: ...W83627HF F PRELIMINARY Publication Release Date November 2000 90 Revision 1 0 Figure 8 1 ...
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Страница 105: ... 0 1 2 3 4 5 6 7 2 2 7 558 6 7 2 2 3 2 3 9 0 1 2 3 4 5 6 7 2 2 7 558 6 7 2 2 3 2 3 9 ...
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Страница 113: ... 0 9 3 3 1 1 3 4 17 3 9 1 0 1 0 1 E 1 8 1 H 1 1 FD DB 1 B H 1 0 6 0 1 6 6 6 1 E 1 6 G 6 4 G 4 6D0 DG 1 1 1 H 1 6 ...
Страница 114: ... 0 1 1 2 3 1 2 3 D D D DD D DD D 0 0 4 3 9 7 3 4 0 0 4 3 9 7 3 4 9 9 9 0 0 4 3 A 9 3 4 0 0 4 3 B 9 43 3 3 4 A 9 C C ...
Страница 115: ... 1 9 4 6D 6D4 L 9 H E 4 6D 0 0 0 1 4 8D 3 D 4 5 6 A 1 9 B H 1 6 ...
Страница 116: ... 4 5 6 A 9 H H 1 6 E E E E E E 4 7 28 5 6 A H 1 8 6 1 H 1 H 1 1 H ...
Страница 117: ... A 9 H 1 6 1 H 1 F 1 E E F 1 E E E E E G ...
Страница 118: ... 4 7 28 5 6 19 H 6 1 H 1 H 1 1 H H 1 6 1 H 1 F 1 E E E F 1 E E E E E ...
Страница 119: ... B A B B 7 28 6 4 6ID J B A H B A 1 4 6ID J B A H B A 1 H B A B A 1 B A 1 H 1 B A 1 F 1 E E E 0 E 3 H 3 ...
Страница 120: ... 2 1 4 0 HD 0 B 4 6 4 6 M 4 6 1 4 8 8 1 4 1 C 1 4 8 5 HD 4 1 H HD 4 4 9 6 2 4 4 D ...
Страница 122: ... 1 1 8 1 2 0 B 0 6 O P 4 O P 8 4 6 9 9 H H B 6 9 B 6 9 9 H H 6 4 D 9D 6 4 D 9D 6 4 D 9D0 ...
Страница 123: ... 2 1 0 H 0 B 6 M 4 9 0 6 6 2 1 6 8 0 B 6 M 4 1 H 4 M 4 6 4 D 6 1 4 6 1 4 A 6 1 4 6 1 4 A 4 M 0 M R CC ...
Страница 124: ... 2 5 1 6 8 0 B 6 M 4 H 4 H 4 D B H 4 B H 4 8 FDB H 4 8 F B H 4 8 B 6 4 H 4 8 B 6 H ...
Страница 125: ... 2 4 5 1 6 8 0 B 6 M 4 9 6 1 4 D B H 4 4 H 4 8 9DB H 4 8 9 B H 4 8 F B H 2 5 6 1 6 8 0 B 6 M 4 9 ...
Страница 126: ... 2 2 5 6 1 6 8 0 B 6 M 4 9 6 1 4 D9 2 1 1 4 2 1 6 8 0 B 6 M 4 1 1 4 9 6 1 ...
Страница 127: ... 2 1 2 6 8 0 B O P O P B 0O P 6 M 4 9 4 D9 4 9 B 0 O P 4 6ID0 J 1 2 5 1 6 8 0 B 4 0 M 0 4 6 9 6 1 4 9 6 9 4 O P ...
Страница 130: ... 2 5 1 6 8 0 B 6 M 0 0 4 4 9 4 HHH HHH 4 4 9 4 HHH HHH 2 4 1 6 8 4 0 B 6 M 45 0 4 45 0 4 0 4 0 4 ...
Страница 136: ... 2 4 6 8 D 0 B 6 M 6 4 0 6 2 1 1 4 6 8 D 0 B O P O P O P 6 M 0 4 0 4 0 4 4 4 4 D 4 4 9 6 1 ...
Страница 137: ... 2 4 7 C 4 6 8 D 1 6 M 8 9 4 0 L 0 L 2 7 C 4 6 8 D4 1 6 M 8 9 4 0 L 0 L ...
Страница 139: ... 2 1 4 6 8 D0 0 B 6 M 0 0 0 0 4 1 4 4 1 4 4 D 1 4 4 6 1 4 4 4 4 1 1 1 1 4 4 4 0 1 4 4 4 0 1 ...
Страница 140: ... 2 1 1 4D 2 1 1 4 2 5 8 1 4 6 8 D 6 M 1 2 3 4 O P 2 5 1 4 6 8 D 6 M 1 3 4 O P 4 9 6 1 ...
Страница 142: ... 2 4 5 8 1 4 6 8 D 0 B 6 M 6 0 1 3 4 4 4 9 6 1 2 5 8 1 44 6 8 DD 0 B D 6 M 1 2 3 4 9 1 9 9 4 ...
Страница 143: ... 2 2 5 1 4 6 8 D 0 B 6 M 1 3 4 1 9 4 4 9 6 1 2 5 8 1 4 6 8 D 6 M 4 9 O P ...
Страница 144: ... 2 5 1 4 6 8 D 6 M 4 O P 4 9 6 1 2 5 1 4 6 8 D 0 B 6 M 4 9D 6 9 6 1 4 9 6 9 B A 1 4 6 9 6 1 4 6 9 B A 4 6 9 ...
Страница 145: ... 2 5 8 8 1 4 6 8 D 0 B 4 6 M 6 0 1 2 3 4 9 9 4 D 2 5 8 1 4 6 8 D 0 B 6 M 6 0 1 3 4 4 4 9 6 1 ...
Страница 146: ... 2 5 8 1 44 6 8 DD 0 B D 6 M 1 2 3 4 9 1 9 9 4 2 5 1 4 6 8 D 0 B 6 M 1 3 4 1 9 4 4 9 6 1 ...
Страница 147: ... 2 4 5 1 4 0F 6 8 D 0 B 6 M 0 4 9 6 1 4 8 B4 H 4 8 DB 4 H 2 5 6 1 4 0F 6 8 D 0 B 6 M 0 4 9 6 1 4 4 2 2 1 1 4 ...
Страница 149: ... 2 4 5 1 44 6 8 DD 0 B 6 M 0 1 2 3 4 9 1 1 2 4 5 1 4 6 8 D 0 B 6 M 0 1 2 3 4 9 1 1 2 4 1 1 42 4 ...