HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 560

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 10 I/O Ports
10.5.3
PORT5 shows the pin states. PORT5 cannot be modified.
Bit
7to 4 ⎯
3
2
1
0
Note:
10.5.4
Port 5 pins also function as the pins for SCI I/Os, A/D converter inputs, and interrupt inputs. The
correspondence between the register specification and the pin functions is shown below.
• P53/ADTRG/IRQ3
P53DDR
Pin function
Notes: 1. ADTRG input when TRGS1 = TRGS0 = 1.
Rev.7.00 Mar. 18, 2009 page 492 of 1136
REJ09B0109-0700
The pin function is switched as shown below according to the combination of bits TRGS1 and
TRGS0 in the A/D control register (ADCR), bit ITS3 in ITSR, and bit P53DDR.
Bit Name
P53
P52
P51
P50
* Determined by the states of pins P53 to P50.
2. IRQ3 input when ITS3 = 0.
Port 5 Register (PORT5)
Pin Functions
Initial Value
Undefined
⎯*
⎯*
⎯*
⎯*
P53 input
R/W
R
R
R
R
R
0
Description
Reserved
Undefined values are read from these bits.
If bits P53 to P50 are read while P5DDR bits are set
to 1, the P5DR values are read. If a port 5 read is
performed while P5DDR bits are cleared to 0, the
pin states are read.
IRQ3 interrupt input *
ADTRG input *
1
2
P53 output
1