US38024-BAG1 Renesas Electronics America, US38024-BAG1 Datasheet - Page 222

• Manufacturer Part Number: US38024-BAG1
• Description: DEV EVALUATION KIT H8/38024
• Manufacturer: Renesas Electronics America
• Series: H8®r
• Type: MCUr

Specifications of US38024-BAG1

• Contents: 2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
• For Use With/related Products: H8/38024
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Section 8 I/O Ports
Bit 4—P1
This bit selects whether pin P1
Bit 4
IRQ4
0
1
Note: For details of ADTRG pin setting, see section 12.3.2, Start of A/D Conversion by External
Bit 3—P1
This bit selects whether pin P1
Bit 3
TMIG
0
1
Bits 2 and 0—Reserved
These bits are reserved; they can only be written with 0.
Bit 1—Reserved
This bit is reserved; it is always read as 1 and cannot be modified.
Port Mode Register 2 (PMR2)
PMR2 is an 8-bit read/write register. It controls whether the PMOS transistor internal to P3
or off, the selection of the watchdog timer clock, the selection of TMIG noise cancellation, and
switching of the P4
Upon reset, PMR2 is initialized to H'D8.
Rev. 8.00 Mar. 09, 2010 Page 200 of 658
REJ09B0042-0800
Bit
Initial value
Read/Write
Trigger Input.
4
3
/IRQ
/TMIG Pin Function Switch (TMIG)
Description
Functions as P1
Functions as IRQ
Description
Functions as P1
Functions as TMIG input pin
4
/ADTRG Pin Function Switch (IRQ4)
3
—
—
/IRQ
7
1
0
pin functions.
4
3
—
—
4
3
6
1
4
/IRQ
I/O pin
/TMIG is used as P1
I/O pin
/ADTRG input pin
4
/ADTRG is used as P1
POF1
R/W
5
0
—
—
1
4
3
or as TMIG.
4
or as IRQ
—
—
3
1
WDCKS
R/W
4
/ADTRG.
2
0
NCS
R/W
1
0
(initial value)
(initial value)
IRQ0
5
R/W
is on
0
0