H8S-2172 Datasheet, PDF (256/570 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2100 Series

8.1.4 Pin Functions
Port 1 pins also function as the pins for USB I/O. The correspondence between the register
specification and the pin functions is shown below.
• P17/USD15
The pin function is switched as shown below according to the combination of the P17DDR bit
and the USBCKSTP bit in MSTPCRL.
USBCKSTP
P17DDR
Pin function
0
P17 input
1
1
P17 output
0

USD15 I/O
• P16/USD14
The pin function is switched as shown below according to the combination of the P16DDR bit
and the USBCKSTP bit in MSTPCRL.
USBCKSTP
P16DDR
Pin function
0
P16 input
1
1
P16 output
0

USD14 I/O
• P15/USD13
The pin function is switched as shown below according to the combination of the P15DDR bit
and the USBCKSTP bit in MSTPCRL.
USBCKSTP
P15DDR
Pin function
0
P15 input
1
1
P15 output
0

USD13 I/O
• P14/USD12
The pin function is switched as shown below according to the combination of the P14DDR bit
and the USBCKSTP bit in MSTPCRL.
USBCKSTP
P14DDR
Pin function
0
P14 input
1
1
P14 output
0

USD12 I/O
Rev. 2.00, 03/04, page 224 of 534