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M32C/86 Datasheet(PDF) 394 Page - Renesas Technology Corp |
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M32C/86 Datasheet(HTML) 394 Page - Renesas Technology Corp |
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394 / 505 page  Page 371 9 7 4 f o 5 0 0 2 , 8 0 . p e S 0 0 . 1 . v e R 0 0 1 0 - 4 0 2 0 B 9 0 J E R 24. Programmable I/O Ports ) T 6 8 / C 2 3 M , 6 8 / C 2 3 M ( p u o r G 6 8 / C 2 3 M Figure 24.4 Programmable I/O Ports (4) Figure 24.5 PD0 to PD15 Registers NMI Data Bus Input Port (P85) 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 transfer between the instruction to set the PRC2 bit to "1" and the instruction to set the PD9 register. 2. In memory expansion mode and microprocessor mode, the PDi register cannot control pins being used as bus control pins (A0 to A22, A23, D0 to D15, CS0 to CS3, WRL/WR, WRH/BHE, BCLK/ALE/CLKOUT, RD, HLDA/ALE, HOLD, ALE and RDY). M32C/86T cannot be used in memory expansion mode and microprocessor mode. 3. Nothing is assigned in the PD8_5 bit in the PD8 register, the PD11_7 to PD11_5 bits in the PD11 register and the P14_7 bit in the PD14 register. If write, set these bits to "0". When read, their contents are indeterminate. Function Port Pi Direction Register (i=0 to 15) (2) Bit Name Bit Symbol Symbol Address After Reset PD0 to PD3 03E216, 03E316, 03E616, 03E716 0016 PD4 to PD7 03EA16, 03EB16, 03C216, 03C316 0016 PD8 03C616(3) 00X0 00002 PD9 to PD10 03C716(1), 03CA16 0016 PD11 03CB16(3) XXX0 00002 PD12 to PD13 03CE, 03CF16 0016 PD14 03D216(3) X000 00002 PD15 03D316 0016 RW PDi_0 PDi_1 PDi_2 Port Pi0 Direction Bit PDi_3 PDi_4 PDi_5 PDi_7 PDi_6 0 : Input mode (Functions as input port) 1 : Output mode (Functions as output port) Port Pi1 Direction Bit Port Pi2 Direction Bit Port Pi3 Direction Bit Port Pi4 Direction Bit Port Pi5 Direction Bit Port Pi6 Direction Bit Port Pi7 Direction Bit 0 : Input mode (Functions as input port) 1 : Output mode (Functions as output port) 0 : Input mode (Functions as input port) 1 : Output mode (Functions as output port) 0 : Input mode (Functions as input port) 1 : Output mode (Functions as output port) 0 : Input mode (Functions as input port) 1 : Output mode (Functions as output port) 0 : Input mode (Functions as input port) 1 : Output mode (Functions as output port) 0 : Input mode (Functions as input port) 1 : Output mode (Functions as output port) 0 : Input mode (Functions as input port) 1 : Output mode (Functions as output port) RW RW RW RW RW RW RW RW b7 b6 b5 b4 b3 b2 b1 b0 |
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