SH7080_09 Datasheet, PDF (131/1622 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family

Section 4 Clock Pulse Generator (CPG)
4.2 Input/Output Pins
Table 4.2 shows the CPG pin configuration.
Table 4.2 Pin Configuration
Pin Name
Abbr. I/O
Description
Crystal input/output XTAL
pins
EXTAL
(clock input pins)
Output
Input
Connects a crystal resonator.
Connects a crystal resonator or an external clock.
Clock output pin CK
Output
Outputs an external clock.
Note: To use the clock output (CK) pin, appropriate settings may be needed for the pin in the pin
function controller (PFC) in some cases. For details, refer to section 21, Pin Function
Controller (PFC).
Rev. 4.00 Dec. 15, 2009 Page 71 of 1558
REJ09B0181-0400