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CHAPTER 20 UART2, UART3
Port data register (PDR)
PDR read
PDR write
Port direction register (DDR)
DDR write
DDR read
Standby control: Stop mode, watch mode, time-base timer mode, and SPL=1
*: Resources are input or output to or from pins having peripheral functions.
Note:
UART2 is functionally the same as UART3, except the registers and pin numbers
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Figure 20.3-1 Block Diagram of UART2, UART3 Pins
Resource input *
Output latch
Direction latch
Resource output
Resource output enable
P-ch
N-ch
Standby control (SPL=1)
Pin
general purpose I/O /SIN2/SIN3
general purpose I/O /SCK2/SCK3
general purpose I/O /SOT2/SOT3
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