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INPUT/OUTPUT PORTS
13.1.4.1
Port 1 Organization
Port 1 consists of eight output-only port pins. The Port 1 pins are multiplexed with the general-
purpose chip-selects (GCS7:0). Table 13-1 shows the multiplexing options for Port 1.
P1.7/GCS7
P1.6/GCS6
P1.5/GCS5
P1.4/GCS4
P1.3/GCS3
P1.2/GCS2
P1.1/GCS1
P1.0/GCS0
13.1.4.2
Port 2 Organization
Port 2 consists of eight bidirectional port pins. Port 2 is multiplexed with the two serial channels.
Table 13-2 shows the multiplexing options for Port 2.
Pin Name
P2.7/CTS1
P2.6/BCLK1
P2.5/TXD1
P2.4/RXD1
P2.3/CTS0
P2.2/BCLK0
P2.1/TXD0
P2.0/RXD0
13-6
Table 13-1. Port 1 Multiplexing Options
Pin Name
Peripheral Function
GCS7
GCS6
GCS5
GCS4
GCS3
GCS2
GCS1
GCS0
Table 13-2. Port 2 Multiplexing Options
Peripheral Function
CTS1
BCLK1
TXD1
RXD1
CTS0
BCLK0
TXD0
RXD
Port Function
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
Port Function
(Input)
P2.7
(Input)
P2.6
(Output)
P2.5
(I/O)
P2.4
(Input)
P2.3
(Input)
P2.2
(Output)
P2.1
(I/O)
P2.0
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