w83l950d Winbond Electronics Corp America, w83l950d Datasheet - Page 52

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

11.19 Port Control Register 1(PCTRL1)
11.20 Port Control Register 2 (PCTRL2)
When GP8 function select bit of the Port Control Register 2 is set to 1, the register is defined as
Port GP7 input register.
The respective bit can only be read regardless of setting port GP7 direction register.
SFR address
Default value
Bit 7: PWM1 enable bit
Bit 6: PWM0 enable bit
Bit 5: GP34 - GP37 pull-up control bit
Bit 4: GP30 - GP33 pull-up control bit
Bit 3: P14 – P17 output structure selection bit
Bit 2: P10 – P13 output structure selection bit
Bit 1: P04 – P07 output structure selection bit.
Bit 0: P00 – P03 output structure selection bit
SFR address.
Default value.
Bit 7-6: Reserved.
Bit 5: Timer Y counts source selection bit
Bit 4: INT2 INT3 INT4 interrupt source from
= 0 PWM1 output disable.
= 1 PWM1 output enable.
= 0 PWM0 output disable.
= 1 PWM0 output enable.
= 0 No-pullup
= 1 pull-up
= 0 No-pullup
= 1 pull-up
= 0 CMOS
= 1 N-Channel open drain
= 0 CMOS
= 1 N-Channel open drain
= 0 CMOS
= 1 N-Channel open drain
= 0 CMOS
= 1 N-Channel open drain
= 0 f(Xin)/16
= 1 f(Xcin)
0x9A
0x00
0x9B
0x00
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Publication Release Date: June 23, 2003
W83L950D
Revision 1.0