Epson Arm S1C31 Series Technical Manual

7 I/O PORTS (PPORT)7-12 Seiko Epson Corporation S1C31D41 TECHNICAL MANUAL(Rev. 1.1)7.7 Control Register and Port Function Configuration of this ICThis section shows the PPORT control register/bit configuration in this IC and the list of peripheral I/O functionsselectable for each port.7.7.1 P0 Port GroupThe P0 port group supports the GPIO and interrupt functions.Table 7.7.1.1 Control Registers for P0 Port GroupRegister name Bit Bit name Initial Reset R/W Remarks 32pin48pin64pinP0DAT(P0 Port DataRegister)15 P0OUT7 0 H0 R/W – – – ✓14 P0OUT6 0 H0 R/W – ✓ ✓13 P0OUT5 0 H0 R/W – ✓ ✓12 P0OUT4 0 H0 R/W – ✓ ✓11 P0OUT3 0 H0 R/W – ✓ ✓10 P0OUT2 0 H0 R/W – ✓ ✓9 P0OUT1 0 H0 R/W – – ✓8 P0OUT0 0 H0 R/W – – ✓7 P0IN7 0 H0 R – – – ✓6 P0IN6 0 H0 R – ✓ ✓5 P0IN5 0 H0 R – ✓ ✓4 P0IN4 0 H0 R – ✓ ✓3 P0IN3 0 H0 R – ✓ ✓2 P0IN2 0 H0 R – ✓ ✓1 P0IN1 0 H0 R – – ✓0 P0IN0 0 H0 R – – ✓P0IOEN(P0 Port EnableRegister)15 P0IEN7 0 H0 R/W – – – ✓14 P0IEN6 0 H0 R/W – ✓ ✓13 P0IEN5 0 H0 R/W – ✓ ✓12 P0IEN4 0 H0 R/W – ✓ ✓11 P0IEN3 0 H0 R/W – ✓ ✓10 P0IEN2 0 H0 R/W – ✓ ✓9 P0IEN1 0 H0 R/W – – ✓8 P0IEN0 0 H0 R/W – – ✓7 P0OEN7 0 H0 R/W – – – ✓6 P0OEN6 0 H0 R/W – ✓ ✓5 P0OEN5 0 H0 R/W – ✓ ✓4 P0OEN4 0 H0 R/W – ✓ ✓3 P0OEN3 0 H0 R/W – ✓ ✓2 P0OEN2 0 H0 R/W – ✓ ✓1 P0OEN1 0 H0 R/W – – ✓0 P0OEN0 0 H0 R/W – – ✓P0RCTL(P0 Port Pull-up/downControl Register)15 P0PDPU7 0 H0 R/W – – – ✓14 P0PDPU6 0 H0 R/W – ✓ ✓13 P0PDPU5 0 H0 R/W – ✓ ✓12 P0PDPU4 0 H0 R/W – ✓ ✓11 P0PDPU3 0 H0 R/W – ✓ ✓10 P0PDPU2 0 H0 R/W – ✓ ✓9 P0PDPU1 0 H0 R/W – – ✓8 P0PDPU0 0 H0 R/W – – ✓7 P0REN7 0 H0 R/W – – – ✓6 P0REN6 0 H0 R/W – ✓ ✓5 P0REN5 0 H0 R/W – ✓ ✓4 P0REN4 0 H0 R/W – ✓ ✓3 P0REN3 0 H0 R/W – ✓ ✓2 P0REN2 0 H0 R/W – ✓ ✓1 P0REN1 0 H0 R/W – – ✓0 P0REN0 0 H0 R/W – – ✓