R5S72611 RENESAS [Renesas Technology Corp], R5S72611 Datasheet - Page 112

• Manufacturer Part Number: R5S72611
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 4 Clock Pulse Generator (CPG)
(7)
clock output/non-output from the CKIO pin during software standby mode, the frequency
multiplication ratio of PLL circuit 1, and the frequency division ratio of the internal clock and the
peripheral clock (Pφ).
(8)
The standby control register has bits for controlling the power-down modes. See section 27,
Power-Down Modes, for more information.
4.2
Table 4.1 lists the clock pulse generator pins and their functions.
Table 4.1
Rev. 2.00 Sep. 07, 2007 Page 80 of 1312
REJ09B0320-0200
Pin Name
Mode control pins
Crystal
input/output pins
(clock input pins)
Clock input/output
pin
The frequency control register (FRQCR) has control bits assigned for the following functions:
Frequency Control Register (FRQCR)
Standby Control Register
Input/Output Pins
Pin Configuration and Functions of the Clock Pulse Generator
Symbol
MD_CLK0
MD_CLK1
XTAL
EXTAL
CKIO
I/O
Input
Input
Output
Input
I/O
Connected to the crystal
Connected to the crystal
Clock output pin.
Function
(Clock Operating
Modes 0 and 2)
Sets the clock operating
mode.
Sets the clock operating
mode.
resonator. (Leave this pin
open when the crystal
resonator is not in use.)
resonator or used to input
an external clock.
Function
(Clock Operating
Mode 3)
Sets the clock operating
mode.
Sets the clock operating
mode.
Leave this pin open.
Pull-up this pin.
Clock input pin.