Renesas H8S/2319 series Hardware Manual page 247

Port Description
Port 4 • 8-bit input port
Port A • 4-bit I/O port
• Built-in MOS
input pull-up
• Open-drain
output capability
Port B • 8-bit I/O port
• Built-in MOS
input pull-up
Port C • 8-bit I/O port
• Built-in MOS
input pull-up
Port D • 8-bit I/O port
• Built-in MOS
input pull-up
Pins
P47/AN7/DA1
P46/AN6/DA0
P45/AN5
P44/AN4
P43/AN3
P42/AN2
P41/AN1
P40/AN0
PA3/A19 to PA0/A16
PB7/A15 to PB0/A8
PC7/A7 to PC0/A0
PD7/D15 to PD0/D8
Mode Mode
4 5
8-bit input port also functioning as A/D converter analog
inputs (AN7 to AN0) and D/A converter analog outputs
(DA1 and DA0)
Address output
Address output
Address output
Data bus input/output
Rev. 5.00, 12/03, page 217 of 1088
Mode Mode
6 * 1 7 * 1
When DDR = I/O ports
0 (after
reset): input
ports
When DDR =
1: address
output
When DDR = I/O port
0 (after
reset): input
port
When DDR =
1: address
output
When DDR = I/O port
0 (after
reset): input
port
When DDR =
1: address
output
I/O port