Datasheet

ManualsBrandsRENESAS ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller SSOP 30 8-Bit 10 MHz I/O number 21

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78K0/Kx2-L CHAPTER 16 SERIAL INTERFACES CSI10 AND CSI11

R01UH0028EJ0400 Rev.4.00 581

Sep 27, 2010

Table 16-2. Relationship Between Register Settings and Pins (4/4)

(d) Serial interface CSI11 (78K0/KA2-L (25-pin and 32-pin products))

Pin Function CSIE11 TRMD11 SSE11 PM36 P36

P37 PM35 P35 PM02 P02

CSI11

Operation

SI11/P36

SO11/

P37

SCK11/

P35

SSI11/

P02/

INTP5

0 0

Note 1

Stop P36 P37 P35

Note 2

P02/

INTP5

0 ×

Note 1

P02/

INTP5

1 0

Note 1

1 ×

Slave

reception

Note 3

SI11 P37

SCK11

(input)

Note 3

SSI11

0 ×

Note 1

P02/

INTP5

1 1

Note 1

0 0 1

1 ×

Slave

transmission

Note 3

P36 SO11

SCK11

(input)

Note 3

SSI11

0 ×

Note 1

P02/

INTP5

1 1

0 0 1

1 ×

Slave

transmission/

reception

Note 3

SI11 SO11

SCK11

(input)

Note 3

SSI11

1 0 0 1

Note 1

0 1 ×

Note 1

Master

reception

SI11 P37

SCK11

(output)

P02/

INTP5

1 1 0 ×

Note 1

0 0 0 1 ×

Note 1

Master

transmission

P36 SO11

SCK11

(output)

P02/

INTP5

1 1 0 1

0 0 0 1 ×

Note 1

Master

transmission/

reception

SI11 SO11

SCK11

(output)

P02/

INTP5

Notes 1. Can be set as port function.

2. To use P37/SCK11 as port pins, clear CKP11 to 0.

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

Remark ×: don’t care

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

TRMD11: Bit 6 of CSIM11

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

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

PM×: Port mode register

P×: Port output latch