KB3910 查看數據表（PDF） - Unspecified
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KB3910 Datasheet PDF : 80 Pages
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A[19:0] 98
O
X-bus Address Bus.
KB3920 Keyboard Controller Datasheet
3.2.3 PS2 Interface Pin Descriptions
Pin Name
Pin
No
Direction
Description
PSCLK1 91
PSDAT1 92
PSCLK2 93
PSDAT2 94
PSCLK3 95
PSDAT3 96
I/OD
I/OD
I/OD
I/OD
I/OD
I/OD
PS2 port_1 clock
PS2 Port_1 Data
PS2 port_2 clock
PS2 port_2 data
PS2 port_3 clock
PS2 port_3 data
3.2.4 Internal Keyboard Encoder Pin Descriptions
Pin Name
Pin
No
Direction
Description
KSO[17:0]
KSI[7:0]
Keyboard Scan-Out.
O
The pre-charge time and driving time for KSO0~17 is programmable in IKB
register set.
I
Keyboard Scan-In
3.2.5 SMBus Pin Descriptions
Pin Name
SCL1
SDA1
SCL2
SDA2
Pin Direction
No
85 I/OD
86 I/OD
87 I/OD
88 I/OD
Description
SMBus 1 Clock
SMBus 1 Data
SMBus 2 Clock
SMBus 2 Data
3.2.6 FAN Pin Descriptions
Pin Name
Pin
No
Direction
Description
FANFB1 32
I
FAN1 Tachometer Input
FANFB2 33
I
FAN2 Tachometer Input
FANPWM1 30
O
FAN1 PWM output
FANPWM2 31
O
FAN2 PWM output
3.2.7 Pulse Width Modulation Pin Descriptions
Pin Name
Pin
No
Direction
Description
PWM[1:2] 25,27
O
PWM pulse output.
3.2.8 Analog to Digital Pin Descriptions
Pin Name
Pin
No
Direction
Description
AD[3:0] 71-73
I
Analog to Digital Conversion Input. The internal ADC conversion module is
8-bit in resolution. It polls AD0~AD3 inputs in a round robin way.
Copyright©2006, ENE Technology Inc.
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