r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 105

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
7.4
7.4.1
Notes:
After Reset
1. Write to the PD0 register with the next instruction after that used to set the PRC2 bit in the PRCR register to 1
2. Bits PD3_2 and PD3_6 in the PD3 register are reserved bits. If it is necessary to set bits PD3_2 and PD3_6, set
3. Bits PD4_0 to PD4_2 in the PD4 register are unavailable on this MCU. If it is necessary to set bits PD4_0 to
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 00E2h (PD0
Symbol
(write enabled).
to 0. When read, the content is undefined.
PD4_2 set to 0. When read, the content is 0.
The PDi register selects whether I/O ports are used for input or output. Each bit in the PDi register corresponds
to one port.
Registers
Bit
Symbol
PDi_0
PDi_1
PDi_2
PDi_3
PDi_4
PDi_5
PDi_6
PDi_7
Port Pi Direction Register (PDi) (i = 0 to 4 or 6)
PDi_7
b7
0
Port Pi_0 direction bit
Port Pi_1 direction bit
Port Pi_2 direction bit
Port Pi_3 direction bit
Port Pi_4 direction bit
Port Pi_5 direction bit
Port Pi_6 direction bit
Port Pi_7 direction bit
PDi_6
(1)
b6
), 00E3h (PD1), 00E6h (PD2), 00E7h (PD3
0
Bit Name
PDi_5
b5
0
PDi_4
b4
0
PDi_3
0: Input mode (functions as an input port)
1: Output mode (functions as an output port)
b3
0
PDi_2
b2
0
(2)
), 00EAh (PD4
PDi_1
Function
b1
0
(3)
PDi_0
), 00EEh (PD6),
b0
0
Page 73 of 740
7. I/O Ports
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W