M32C8A Datasheet, PDF (301/372 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M32C/80 Series

M32C/8A Group
Input-only port (P8_5)
Data bus
NMI
Figure 22.4 Programmable I/O Ports (4)
22. Programmable I/O Ports
Port Pi Direction Register (i = 0 to 15)
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PD0 to PD3
PD4 to PD7
PD8
PD9, PD10
PD11
PD12, PD13
PD14
PD15
Address
03E2h, 03E3h, 03E6h, 03E7h
03EAh, 03EBh, 03C2h, 03C3h
03C6h⁽⁴⁾
03C7h⁽¹⁾, 03CAh
03CBh^{(3, 4)}
03CEh, 03CFh⁽³⁾
03D2h^{(3, 4)}
03D3h⁽³⁾
After Reset
00h
00h
00X0 0000b
00h
XXX0 0000b
00h
X000 0000b
00h
Bit Symbol
Bit Name
PDi_0 Port Pi_0 direction bit
PDi_1 Port Pi_1 direction bit
PDi_2 Port Pi_2 direction bit
PDi_3 Port Pi_3 direction bit
PDi_4 Port Pi_4 direction bit
PDi_5 Port Pi_5 direction bit
PDi_6 Port Pi_6 direction bit
PDi_7 Port Pi_7 direction bit
Function
RW
0: Input mode (functions as input port)
1: Output mode (functions as output port)
RW
0: Input mode (functions as input port)
1: Output mode (functions as output port)
RW
0: Input mode (functions as input port)
1: Output mode (functions as output port)
RW
0: Input mode (functions as input port)
1: Output mode (functions as output port)
RW
0: Input mode (functions as input port)
1: Output mode (functions as output port)
RW
0: Input mode (functions as input port)
1: Output mode (functions as output port)
RW
0: Input mode (functions as input port)
1: Output mode (functions as output port)
RW
0: Input mode (functions as input port)
1: Output mode (functions as output port)
RW
NOTES:
1. Set the PD9 register immediately after the PRC2 bit in the PRCR register is set to 1 (write enable). Do not generate an interrupt
or a DMA or DMACII transfer between these two instructions.
2. In microprocessor mode, the PDi register corresponding to the following bus control pins cannot be written: A0 to A22, A23,
D0 to D15, CS0 to CS3, WRL/ WR, WRH/BHE, RD, BCLK/ALE/CLKOUT, ALE, ALE, RDY.
3. Set registers PD11 to PD15 to FFh in the 100-pin package.
4. Nothing is implemented to the PD8_5 bit in the PD8 register, bits PD11_7 to PD11_5 in the PD11 register, and the P14_7 bit in
the PD14 register. Write a 0. A read from these bits returns undefined value.
Figure 22.5 PD0 to PD15 Registers
Rev.1.00 Jul 15, 2007 Page 284 of 352
REJ09B0385-0100