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Section 5 Clock Pulse Generator
Page 118 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
5.2 Input/Output Pins
Table 5.1 lists the clock pulse generator pins and their functions.
Table 5.1 Pin Configuration and Functions of the Clock Pulse Generator
Pin Name Symbol I/O
Function
(Clock Operating Modes 0
and 2)
Function
(Clock Operating Modes 1
and 3)
Mode control pins MD_CLK0 Input Sets the clock operating mode.
MD_CLK1 Input Sets the clock operating mode.
Crystal
input/output pins
(clock input pins)
XTAL Output Connected to the crystal
resonator. (Leave this pin
open when the crystal
resonator is not in use.)
Leave this pin open.
EXTAL Input Connected to the crystal
resonator or used to input
external clock.
Fix this pin (Connect it to
pull-up/down resistor,
power supply, or ground.)
Clock output pin CKIO Output Clock output pin. Clock output pin
Crystal
input/output pins
for USB 2.0
host/function
module
(clock input pins)
USB_X1 Input Connected to the crystal
resonator to input the clock
for the USB 2.0 host/function
module only, or used to
input external clock. When
the USB 2.0 host/function
module is not used, this pin
should be fixed (connected
to pull-up/down resistor,
power supply or ground).
Connected to the crystal
resonator to input the clock
for both the USB 2.0
host/function module and
the LSI, or used to input
external clock.
USB_X2 Output Connected to the crystal
resonator for the USB 2.0
host/function module.
(Leave this pin open when
the crystal resonator is not in
use.)
Connected to the crystal
resonator for both the USB
2.0 host/function module
and the LSI.
(Leave this pin open when
the crystal resonator is not
in use.)