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2
Type
Pin
STIF
ST1_VCO
_CLKIN,
ST0_VCO
_CLKIN
ST1_PWM
ST0_PWM
USB
DP
DM
VBUS
REFRIN
USB_X1
USB_X2
AV33
AG33
DV33
DG33
AV12
AG12
DV12
DG12
UV12
UG12
Rev.1.01 2008.05.07
REJ11J0012-0101
Table 2.2.5 SH7670 Pin Selection Used on SH7670 CPU Board (5)
I/O
Name
I
VCX0 clock
O
PWM output
USB D+ Data
I/O
USB D- Data
I/O
VBUS input
I
Reference input
I
I/O
Input between
crystal resonator
for USB and
external clock
USB
I
analog pin power
supply
USB
I
analog pin GND
USB
I
digital pin power
supply
USB
I
digital pin GND
USB
I
analog
core
power supply
USB
I
analog core GND
USB
I
digital pin power
supply
USB
I
digital pin GND
USB
I
digital
core
power supply
USB
I
digital core GND
2.2.2 SH7670 Pin Function Used on SH7670 CPU Board
Function of SH7670 CPU Board
VCX0 clock
ST1_VCO_CLKIN
(ST1_VCO_CLKIN/AUDIO_CLK)
PWM output
ST1_PWM(PE11/ST1_PWM/RTS2)
ST0_PWM(PF11/ST0_PWM/TEND0)
USB bus D+ Data
USB bus D- data
Connects to Vbus of USB bus
Connects to USBAPVss through 5.6KΩ±1%
resistance
Crystal resonator for USB is connected.
USB_X1 can input an external clock
Transceiver analog pin power supply
Transceiver analog pin GND
Transceiver digital pin power supply
Transceiver digital pin GND
Transceiver analog core power supply
Transceiver analog core GND
Transceiver digital pin power supply
Transceiver digital pin GND
Transceiver digital core power supply
Transceiver digital core GND
Functional Overview
Destination to
Connect
Connects
to
ST
connector
ST1_VCO_CLKIN
(J10-19)
ST0_VCO_CLKIN
(J7-19)
Connects
to
ST
connector
ST1_PWM(J10-17)
ST0_PWM(J7-17)
Connects
to
USB
(J3-3)
Connects
to
USB
(J3-2)
Connects
to
USB
(J3-1)
Connects to USB
Connects to crystal
resonator (48 MHz)
for USB (X5)
Connects to 3.3V
Connects to GND
Connects to 3.3V
Connects to GND
Connects to 1.2V
Connects to GND
Connects to 1.2V
Connects to GND
Connects to 1.2V
Connects to GND
2-7
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