Zilog Z8F0411 - Manual (Page 48)

MDS General-Purpose Board Development Kit
User Manual
UM016905-1207 Appendix—MDS-PM Board Pin Maps
37
RS232-1 Signals
Enabled by jumper on J2 pins 1, 2, or by U2 pin D3. Uses COM1.
When enabled, disables RS-485, IrDA, and RF.
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TXD—PD0_TXD0
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RXD—PD1_RXD0
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CTS—PD3_CTS0
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RTS—PD2
RS232-2 Signals
Enabled by jumper on J2 pins 9, 10, or by U2 pin D4. Uses COM2.
When enabled,
disables GPS and Software UART.
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TXD—PC0_TXD1
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RXD—PC1_RXD1
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CTS—PC3_CTS1
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RTS—PC2 _RTS1
IrDA Module Signals
Enabled by jumper on J2 pins 5, 6, or by U2 pin D1. Uses COM1.
When enabled, disables RS232-1, RS485, and RF.
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TXD—PD0_TXD0
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RXD—PD1_RXD0
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Not used—PD3
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IrDA_SD—PD2