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RL78/D1A User's Manual: Hardware - Renesas

RL78/D1A User's Manual: Hardware - Renesas

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Under development<br />

Preliminary document<br />

Specifications in this document are tentative and subject to change.<br />

<strong>RL78</strong>/<strong>D1A</strong> CHAPTER 14 CAN CONTROLLER<br />

14.7 Control Registers<br />

Remark m = 0 to 15<br />

(1) Peripheral clock select register (PCKSEL)<br />

This register is used to select for and supply to each peripheral hardware device the operating clock.<br />

PCKSEL can be set by a 1-bit or 8-bit memory manipulation instruction.<br />

Reset signal generation clears this register to 00H.<br />

Caution Set the PCKSEL register before starting to operate each peripheral hardware device.<br />

Figure 14-25. Format of Peripheral Clock Select Register (PCKSEL)<br />

Address: F00F2H After reset: 00H R/W<br />

Symbol 7 6 5 4 3 2 1 0<br />

PCKSEL 0 CAN<br />

MCKE1<br />

CAN<br />

MCK1<br />

CAN<br />

MCKE0<br />

R01UH0317EJ0004 Rev. 0.04 843<br />

Feb. 22, 2013<br />

CAN<br />

MCK0<br />

CANMCKEn CANMCKn aFCANn input clock control<br />

n = 0, 1<br />

0 X STOPS input clock supply.<br />

1 0 fMAIN is supplied<br />

1 1 fMP is supplied<br />

Writing to SFR to be used with aFCANn is disabled<br />

0 0 SGCLK<br />

Reading from and writing to SFR to be used with aFCANn is enable<br />

Reading from and writing to SFR to be used with aFCANn is enable<br />

SEL

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