TMPR3927 datasheet(73/512 Pages) TOSHIBA

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Chapter 5 Configuration

5-5

Bits

Mnemonic

Field Name

Description

13 : 12

SELSIO [1 : 0]

Select SIO

Function

Select SIO/PIO function select (initial value: 00)

SELSIO[1]: Selects the functions of RXD[1]/PIO[6] and TXD[1]/PIO[5].

SELSIO[0]: Selects the functions of RXD[0]/PIO[4] and TXD[0]/PIO[3].

0: PIO pin

1: SIO pin

Refer to “3.3 Pin Multiplexing” and Table 5.1.1 for details of pin multiplexing.

11 : 9SELTMR [2 : 0]

Select TMR

Function

Select TIMER/PIO Function Select (initial value: 000)

SELTMR[2]: Used in conjunction with SELDONE to select the function of

DMADONE/TIMER[0]/PIO[7].

SELTMR[1]: Used in conjunction with SELDMA[3] to select the function of

DMAREQ[3]/TIMER[1]/PIO[15].

SELTMR[0]: Used in conjunction with SELDMA[3] to select the function of

DMAACK[3]/TIMER[0]/PIO[14].

Refer to “3.3 Pin Multiplexing” and Table 5.1.1 for details of pin multiplexing.

SELDONE

Select

DMADONE

Select DMADONE*/PIO (initial value: 0)

Used in conjunction with SELTMR[2] to select the function of

DMADONE/TIMER[0]/PIO[7].

Refer to “3.3 Pin Multiplexing” and Table 5.1.1 for details of pin multiplexing.

7 : 4INTDMA [3 : 0]

Select Internal

DMA Request

Internal/External DMA Source connection (initial value: 0000)

Specifies whether the external I/O or internal SIO is used as a DMA request source.

INTDMA[3]:

0: DMAREQ/ACK[3] connects to external pins.

1: DMAREQ/ACK[3] connects to SIO[1] SITXDREQ/ACK.

INTDMA[2]:

0: DMAREQ/ACK[2] connects to external pins.

1: DMAREQ/ACK[2] connects to SIO[0] SITXDREQ/ACK.

INTDMA[1]:

0: DMAREQ/ACK[1] connects to external pins.

1: DMAREQ/ACK[1] connects to SIO[1] SIRXDREQ/ACK.

INTDMA[0]:

0: DMAREQ/ACK[0] connects to external pins.

1: DMAREQ/ACK[0] connects to SIO[0] SIRXDREQ/ACK.

3 : 0SELDMA [3 : 0]

Select DMA

Function

Select DMA/PIO/TIMER Function (initial value: 0000)

SELDMA[3]: Used in conjunction with SELTMR[1:0] to select the functions of

DMAREQ[3]/PIO[15]/TIMER[1] and DMAACK[3]/PIO[14]/TIMER[0].

SELDMA[2]: Used to select the functions of DMAREQ[2]/PIO[13] and

DMAACK[2]/PIO[12].

SELDMA[1]: Used in conjunction with SELCS to select the functions of

DMAREQ[1]/PIO[11]/SDCS_CE[7] and DMAACK[1]/PIO[10]/

SDCS_CE[6].

SELDMA[0]: Used to select the functions of DMAREQ[0]/PIO[9] and

DMAACK[0]/PIO[8].

Refer to “3.3 Pin Multiplexing” and Table 5.1.1 for details of pin multiplexing.

Note:

For the bits other than those defined above, write the values shown in the figure.

Figure 5.1.3 Pin Configuration Register (2/2)

TMPR3927 Datasheet(PDF) 73 Page - Toshiba Semiconductor

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