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B
I/O Addr
3F8
B
3F9
3FA
3FB
3FC
3FD
3FE
Page B4
EPC-26A/27 Hardware Reference
Serial I/O (Com1) Port:
PicoPower Redwood chip set emulates 16550 of PC/AT
Functional group
Usage
COM1 serial port
Receiver/transmitter buffer
Baud rate divisor latch (LSB)
Interrupt enable register
Baud rate divisor latch (MSB)
Interrupt ID register
Line control register
Modem control register
Line status register
Modem status register
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