h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 267

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

8.4.4
Port 4 pins also function as the pins for USB I/O. The correspondence between the register
specification and the pin functions is shown below.
• P47/USXCVRS
• P46/USTXRDY
• P45/USTSEL
• P44/USSUSP
USBCKSTP
P47DDR
Pin function
USBCKSTP
P46DDR
Pin function
USBCKSTP
P45DDR
Pin function
USBCKSTP
P44DDR
Pin function
The pin function is switched as shown below according to the combination of the P47DDR bit
and the USBCKSTP bit in MSTPCRL.
The pin function is switched as shown below according to the combination of the P46DDR bit
and the USBCKSTP bit in MSTPCRL.
The pin function is switched as shown below according to the combination of the P45DDR bit
and the USBCKSTP bit in MSTPCRL.
The pin function is switched as shown below according to the combination of the P44DDR bit
and the USBCKSTP bit in MSTPCRL.
Pin Functions
P47 input
P46 input
P45 input
P44 input
0
0
0
0
1
1
1
1
P47 output
P46 output
P45 output
P44 output
1
1
1
1
Rev. 2.00, 03/04, page 235 of 534
USXCVRS output
USTXRDY input
USSUSP output
USTSEL output




0
0
0
0