M32C83T datasheet(323/527 Pages) RENESAS

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Page 300

21. Intelligent I/O (Group 0, 1 Communication Function)

)

(

Table 21.23 Registers to be Used and Settings

Bit

Function

GiBCR0

BCK1 to BCK0

Set to "112"

DIV4 to DIV0

Select divide ratio of count source

Set to "0"

GiBCR1

7 to 0

Set to "0001 00102"

GiPOCR0

7 to 0

Set to "0000 01112"

GiPOCR2

7 to 0

Set to "0000 01102"

GiPOCR3

7 to 0

Set to "0000 00102"

GiTMCR2

7 to 0

Set to "0000 00102"

GiPO0

15 to 0

Set bit rate

= transfer clock frequency

GiPO3

15 to 0

Set to a value smaller than the GiPO0 register

GiFS

FSC3 to FSC0

Set to "01002"

GiFE

IFE3 to IFE0

Set to "11012"

GiMR

GMD1 to GMD0

Set to "002"

CKDIR

Set to "0"

STPS

Select stop bit length

UFORM

Select LBS first or MSB first

IRS

Select how the receive interrupt is generated

GiCR

Transmit buffer empty flag

TXEPT

Transmit register empty flag

Receive complete flag

Set to "1" to enable transmission

Set to "1" to enable reception

IPOL

Set to "1"

OPOL

Set to "1"

GiTB

7 to 0

Write data to be transmitted

GiRB

15 to 0

Received data and error flag are stored

i = 0 to 1

fBTi

2 x (setting value + 2)

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