Datasheet

Table Of Contents
Section 9 I/O Ports
REJ09B0140-0900 Rev. 9.00 Page 231 of 846
Sep 16, 2010
H8S/2215 Group
Table 9.1 Port Functions (3)
Port Description Modes 4 and 5 Mode 6 Mode 7
*
1
Input/Output
Type
A4 When DDR = 0: PC4
When DDR = 1: A4
*
2
PC4
A3 When DDR = 0: PC3
When DDR = 1: A3
*
2
PC3
A2 When DDR = 0: PC2
When DDR = 1: A2
*
2
PC2
A1 When DDR = 0: PC1
When DDR = 1: A1
*
2
PC1
Port C General I/O port
also functioning
as address output
pins
A0 When DDR = 0: PC0
When DDR = 1: A0
*
2
PC0
Built-in input
pull-up MOS
Port D General I/O port
also functioning
as data I/O pins
D15
D14
D13
D12
D11
D10
D9
D8
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
Built-in input
pull-up MOS
8-bit bus mode: PE7
16-bit bus mode: D7
PE7
8-bit bus mode: PE6
16-bit bus mode: D6
PE6
8-bit bus mode: PE5
16-bit bus mode: D5
PE5
8-bit bus mode: PE4
16-bit bus mode: D5
PE4
Port E General I/O port
also functioning
as address output
pins
8-bit bus mode: PE3
16-bit bus mode: D3
PE3
Built-in input
pull-up MOS
8-bit bus mode: PE2
16-bit bus mode: D2
PE2
Notes: 1. The USB may be unusable in mode 7 in some cases. See section 3, MCU Operating
Modes, for details.
2. CS6 and A7 to A0 should be designated as an output when on-chip USB is used in
mode 6.