w83l950d Winbond Electronics Corp America, w83l950d Datasheet - Page 19

• Manufacturer Part Number: w83l950d
• Description: Peripheral Personal Computer Keyboard Controller
• Manufacturer: Winbond Electronics Corp America

3.3. Power, Rest and Clock Signals
M_KR 5
GPIO 35
M_KR 6
GPIO 36
CE#
M_KR 7
GPIO37
OE#
GPIO 2[7:0]
FD [7:0]
Vcc
Vref
Vss
Avss
CNvss
Reset#
Xin
Xout
SYMBOL
SYMBOL
31-38
PIN
PIN
57
56
55
71
72
30
73
24
25
28
29
I/O12c
I/O12c
I/O12c
I/O12c
I/O12c
I/O12c
INcu
INcu
INcu
INa
INc
INc
I/O
I/O
Oa
24 pins Matrix KB Column signals.
General purpose IO port.
(*Internal pull-up controlled by PCTRL1_ BIT5)
24 pins Matrix KB Column signals.
General purpose IO port.
Chip enable signals of external flash program mode
(*Internal pull-up controlled by PCTRL1_ BIT5)
24 pins Matrix KB Column signals.
General purpose IO port.
Read signals of External Flash program mode.
(*Internal pull-up controlled by PCTRL1_ BIT5)
General purpose IO port.
Data signals of External flash program mode
interface.
+5V/+3.3
Reference voltage of AD/DA (Less than Vcc)
GND
AGND
Normal connects to VSS.
If this pin is connects to Vcc, the chip is in external
flash program mode.
Chip reset signal input for active low, at least 8
PCICLK wide.
Clock input (8MHz)
Clock output
- 10 -
V
FUNCTION
FUNCTION
W83L950D