Datasheet

ManualsBrandsRENESAS ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller SSOP 16 8-Bit 10 MHz I/O number 9

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78K0/Ix2 CHAPTER 16 SERIAL INTERFACE CSI11

R01UH0010EJ0500 Rev.5.00 557

Feb 28, 2012

The relationship between the register settings and pins is shown below.

Table 16-2. Relationship Between Register Settings and Pins

Pin Function CSIE11 TRMD11 SSE11 PM36 P36 PM37 P37 PM35 P35 PM02 P02

CSI11

Operation

SI11/P36

SO11/

P37

SCK11/

P35

SSI11/

P02/

INTP5

0 0



Note 1



Note 1



Note 1



Note 1



Note 1



Note 1



Note 2



Note 2

Stop P36 P37

P35

Note

P02/

INTP5

0 

Note 2



Note 2

P02/

INTP5

1 0



Note 1



Note 1



1 ×

Slave

reception

Note

SI11 P37

SCK11

(input)

Note 3

SSI11

0 

Note 2



Note 2

P02/

INTP5

1 1



Note 1



Note 1

0 0 1



1 ×

Slave

transmission

Note 3

P36 SO11

SCK11

(input)

Note 3

SSI11

0 

Note 2



Note 2

P02/

INTP5

1 1



0 0 1



1 ×

Slave

transmission/

reception

Note

SI11 SO11

SCK11

(input)

Note 3

SSI11

1 0 0 1



Note 1



Note 1

0 1 

Note 2



Note 2

Master

reception

SI11 P37

SCK11

(output)

P02/

INTP5

1 1 0 

Note 1



Note 1

0 0 0 1 

Note 2



Note 2

Master

transmission

P36 SO11

SCK11

(output)

P02/

INTP5

1 1 0 1



0 0 0 1 

Note 2



Note 2

Master

transmission/

reception

SI11 SO11

SCK11

(output)

P02/

INTP5

Notes 1. Can be set as port function.

2. Can be set as port function or external interrupt function.

3. To use the slave mode, set CKS112, CKS111, and CKS110 to 1, 1, 1.

4. To use P35/SCK11 as port pin, clear CKP11 to 0.

Remark : don’t care

CSIE11: Bit 7 of serial operation mode register 11 (CSIM11)

TRMD11: Bit 6 of CSIM11

SSE11: Bit 5 of CSIM11

CKP11: Bit 4 of serial clock selection register 11 (CSIC11)

CKS112, CKS111, CKS110: Bits 2 to 0 of CSIC11

PM0, PM3: Port mode registers 0 and 3

P0, P3: Output latch of ports 0 and 3