h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 260

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

• P25/USD5/TEND1
• P24/USD4/DREQ1
Note:
• P23/USD3/DRAK0
• P22/USD2/DACK0
Rev. 2.00, 03/04, page 228 of 534
USBCKSTP
TENDE
P25DDR
Pin function
USBCKSTP
P24DDR
Pin function
USBCKSTP
DRAKE
P23DDR
Pin function
USBCKSTP
EXPE
AMS
P22DDR
Pin function
The pin function is switched as shown below according to the combination of the P25DDR bit,
the TENDE bit in DMMDR_1, and the USBCKSTP bit in MSTPCRL.
The pin function is switched as shown below according to the combination of the P24DDR bit,
the DREQS bit in DMMDR_1, and the USBCKSTP bit in MSTPCRL.
The pin function is switched as shown below according to the combination of the P23DDR bit,
the DRAKE bit in DMMDR_0, and the USBCKSTP bit in MSTPCRL.
The pin function is switched as shown below according to the combination of the P22DDR bit,
the AMS bit in DMMDR_0, the EXPE bit in MDCR, and the USBCKSTP bit in MSTPCRL.
*
When DREQS = 1, this pin functions as DREQ1 input.
P22 input P22 output
P25 input
P23 input
0
P24 input
0
0

0
0
1
0
0
P25 output
P23 output
1
P22 input
1
1
1
1
0
1
DREQ1 input*
P24 output
0
1
P22 output
DRAK0 output
TEND1 output
1
1


1
1
DACK0
output

1
USD4 I/O
USD5 I/O

USD3 I/O
0
USD2 I/O




0
0



0