HD6473847RHV Datasheet, PDF (239/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

Section 8 I/O Ports
• P93/Vref
As shown below, switching is performed based on the setting of VREFSEL in LVDSR. Note that
this function is implemented on the H8/38104 Group only. The V_ref pin is the input pin for the
LVD’s external reference voltage.
VREFSEL
Pin Function
0
P93 output pin
1
Vref input pin
8.8 Port A
Port A is an I/O port also functioning as an LCD common output pin. Figure 8.9 shows its pin
configuration.
Port A
PA3/COM4
PA2/COM3
PA1/COM2
PA0/COM1
Figure 8.9 Port A Pin Configuration
Port A has the following registers.
• Port data register A (PDRA)
• Port control register A (PCRA)
Rev. 7.00 Mar. 08, 2010 Page 207 of 510
REJ09B0024-0700