W83627HF Datasheet, PDF (28/185 Pages) Winbond – WINBOND I/O

W83627HF/F
PRELIMINARY
1.9 General Purpose I/O Port
1.9.1 General Purpose I/O Port 1 (Power source is Vcc)
see 1.8 Game Port
1.9.2 General Purpose I/O Port 2 (Power source is Vcc)
SYMBOL
GP20
MSI
GP21
(SCL)
GP22
(SDA)
GP23
PLED
GP24
WDTO
GP25
IRRX
GP26
IRTX
GP27
DRVDEN1
IRQIN1
PIN
I/O
FUNCTION
119 I/OD_12t General purpose I/O port 2 bit 0.
INt ^{MIDI serial data input. Schmitt trigger input with internal pull-up}
register. (Default)
92 I/OD_12t General purpose I/O port 2 bit 1.
INts ^{(Alternate Function: Serial Bus Clock. For W83627HF Only)}
91 I/OD_12t General purpose I/O port 2 bit 2.
I/OD12ts (Alternate Function: Serial Bus bi-directional Data.
For W83627HF Only)
90 I/OD_24t General purpose I/O port 2 bit 3.
OD24t Power LED output, this signal is low after system reset. (Default)
89 I/OD_12t General purpose I/O port 2 bit 4.
OD_12t Watch dog timer output. (Default)
88 I/OD_12t General purpose I/O port 2 bit 5.
INts ^{Alternate Function Input: Infrared Receiver input. (Default)}
87 I/OD_12t General purpose I/O port 2 bit 6.
OUT12t ^{Alternate Function Output: Infrared Transmitter Output. (Default)}
2 I/OD_24t General purpose I/O port 2 bit 7.
OD24t ^{Drive Density Select bit 0. (Default)}
INt ^{Alternate Function Input: Interrupt channel input.}
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Publication Release Date: Jul 1999
Revision 0.53