HD6473847RHV Datasheet, PDF (244/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

Section 8 I/O Ports
8.9.3 Pin Functions
The port B pin functions are shown below.
• PB3/AN3/IRQ1 pin
The pin function depends on the combination of bits CH3 to CH0 in AMR and bit IRQ1 in PMRB.
IRQ1
0
CH3 to CH0
Other than B'0111
Pin Function
PB3 input pin
Legend: *: Don't care.
B'0111
AN3 input pin
1
*
IRQ1 input pin
• PB2/AN2 pin
The pin function depends on bits CH3 to CH0 in AMR.
CH3 to CH0
Pin Function
Other than B'0110
PB2 input pin
B'0110
AN2 input pin
• PB1/AN1/extU pin
Switching is accomplished by combining CH3 to CH0 in AMR and VINTUSEL in LVDCR as
shown below. Note that the extU pin and VINTUSEL are implemented on the H8/38104 Group
only.
VINTUSEL
0
CH3 to CH0
Other than B'0101
B'0101
Pin Function
PB1 input pin
AN1 input pin
Legend: *: Don't care
1
*
extU input pin
• PB0/AN0/extD pin
Switching is accomplished by combining CH3 to CH0 in AMR and VINTDSEL in LVDCR as
shown below. Note that the extD pin and VINTDSEL are implemented on the H8/38104 Group
only.
VINTDSEL
0
CH3 to CH0
Other than B'0100
B'0100
Pin Function
PB0 input pin
AN0 input pin
Legend: *: Don't care
1
*
extD input pin
Rev. 7.00 Mar. 08, 2010 Page 212 of 510
REJ09B0024-0700