HD64F2145 Datasheet, PDF (252/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

8.15.3 Port E and Port F Input Data Registers (PEPIN, PFPIN)
Reading PEPIN and PFPIN always returns the pin states.
Bit Bit Name Initial Value R/W Description
7
PE7PIN Undefined* R
6
PE6PIN Undefined* R
5
PE5PIN Undefined* R
PEPIN indicates the port E state. PEPIN has the
same address as PEDDR. If a write is performed,
the port E settings will change.
4
PE4PIN Undefined* R
3
PE3PIN Undefined* R
2
PE2PIN Undefined* R
1
PE1PIN Undefined* R
0
PE0PIN Undefined* R
Note:* The initial value is determined according to the PE7 to PE0 pin states.
Bit Bit Name Initial Value R/W Description
7
PF7PIN
Undefined* R
6
PF6PIN
Undefined* R
5
PF5PIN
Undefined* R
PFPIN indicates the port F state. PFPIN has the
same address as PFDDR. If a write is performed,
the port F settings will change.
4
PF4PIN
Undefined* R
3
PF3PIN
Undefined* R
2
PF2PIN
Undefined* R
1
PF1PIN
Undefined* R
0
PF0PIN
Undefined* R
Note:* The initial value is determined according to the PF7 to PF0 pin states.
Rev. 2.0, 08/02, page 212 of 788