Renesas H8/38024 Series, Hardware Manual

Page: 219 / 661

Rev. 6.00, 08/04, page 189 of 628
8.2 Port 1
8.2.1 Overview
Port 1 is a 4-bit I/O port. Figure 8.1 shows its pin configuration.
P1
7
/
IRQ
3
/TMIF
P1
6
*
P1
4
/
IRQ
4
/
ADTRG
P1
3
/TMIG
Port 1
Note:
*
Pin 16 and the associated function are not implemented on the H8/38124 Group.
Figure 8.1 Port 1 Pin Configuration
8.2.2 Register Configuration and Description
Table 8.2 shows the port 1 register configuration.
Table 8.2 Port 1 Registers
Name Abbr. R/W Initial Value Address
Port data register 1 PDR1 R/W — H'FFD4
Port control register 1 PCR1 W — H'FFE4
Port pull-up control register 1 PUCR1 R/W — H'FFE0
Port mode register 1 PMR1 R/W — H'FFC8
Port mode register 2 PMR2 R/W H'D8 H'FFC9