HD64F2145 Datasheet, PDF (224/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

• P85/,547/RxD1
The pin function is switched as shown below according to the combination of the RE bit in
SCR of SCI_1 and the P85DDR bit.
RE
0
1
P85DDR
0
1
—
Pin Function
P85 input pin
P85 output pin
RxD1 input pin
,547 input pin*
Note:* When the IRQ4E bit in IER is set to 1, this pin is used as the ,547 input pin.
• P84/,546/TxD1
The pin function is switched as shown below according to the combination of the TE bit in
SCR of SCI_1 and the P84DDR bit.
TE
0
1
P84DDR
0
1
—
Pin Function
P84 input pin
P84 output pin
TxD1 output pin
,546 input pin*
Note:* When the IRQ3E bit in IER is set to 1, this pin is used as the ,546 input pin.
• P83//3&3'*²
The pin function is switched as shown below according to the P83DDR bit.
P83DDR
0
1
Pin Function
P83 input pin
P83 output pin
/3&3' input pin*¹*²
Notes: 1. When at least one of bits LPC3E to LPC1E is set to 1 in HICR0, this pin is used as the
/3&3' input pin. The /3&3' input pin can only be used in mode 2 or 3 (EXPE = 0).
2. Not supported by the H8S/2148B.
Rev. 2.0, 08/02, page 184 of 788