Epson S1C31D50 Technical Manual

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7 I/O PORTS (PPORT)S1C31D50/D51 TECHNICAL MANUAL Seiko Epson Corporation 7-35(Rev. 2.00)Register name Bit Bit name Initial Reset R/W Remarks 48pin64pin80pin100pinP9FNCSEL(P9 Port FunctionSelect Register)15–12 – 0x0 H0 R/W – – – – –11–10 P95MUX[1:0] 0x0 H0 R/W – ✓ ✓ ✓ ✓9–8 P94MUX[1:0] 0x0 H0 R/W ✓ ✓ ✓ ✓7–6 P93MUX[1:0] 0x0 H0 R/W ✓ ✓ ✓ ✓5–4 P92MUX[1:0] 0x0 H0 R/W ✓ ✓ ✓ ✓3–2 P91MUX[1:0] 0x0 H0 R/W ✓ ✓ ✓ ✓1–0 P90MUX[1:0] 0x0 H0 R/W ✓ ✓ ✓ ✓Table 7.7.10.2 P9 Port Group Function AssignmentPortnameP9SELy = 0 P9SELy = 148pin64pin80pin100pinGPIOP9yMUX = 0x0(Function 0)P9yMUX = 0x1(Function 1)P9yMUX = 0x2(Function 2)P9yMUX = 0x3(Function 3)Peripheral Pin Peripheral Pin Peripheral Pin Peripheral PinP90 P90 QSPI Ch.0 QSPICLK0 – – – – – – ✓ ✓ ✓ ✓P91 P91 QSPI Ch.0 QSDIO00 – – – – – – ✓ ✓ ✓ ✓P92 P92 QSPI Ch.0 QSDIO01 – – – – – – ✓ ✓ ✓ ✓P93 P93 QSPI Ch.0 QSDIO02 – – – – – – ✓ ✓ ✓ ✓P94 P94 QSPI Ch.0 QSDIO03 – – – – – – ✓ ✓ ✓ ✓P95 P95 QSPI Ch.0 #QSPISS0 – – – – – – ✓ ✓ ✓ ✓7.7.11 Pa Port GroupThe Pa port group supports the GPIO and interrupt functions.Table 7.7.11.1 Control Registers for Pa Port GroupRegister name Bit Bit name Initial Reset R/W Remarks 48pin64pin80pin100pinPADAT(Pa Port DataRegister)15 – 0 – R – – – – –14 PAOUT6 0 H0 R/W – – – – ✓13 PAOUT5 0 H0 R/W – – – ✓12 PAOUT4 0 H0 R/W – – ✓ ✓11 PAOUT3 0 H0 R/W ✓ ✓ ✓ ✓10 PAOUT2 0 H0 R/W – ✓ ✓ ✓9 PAOUT1 0 H0 R/W – ✓ ✓ ✓8 PAOUT0 0 H0 R/W – – ✓ ✓7 – 0 – R – – – – –6 PAIN6 0 H0 R – – – – ✓5 PAIN5 0 H0 R – – – ✓4 PAIN4 0 H0 R – – ✓ ✓3 PAIN3 0 H0 R ✓ ✓ ✓ ✓2 PAIN2 0 H0 R – ✓ ✓ ✓1 PAIN1 0 H0 R – ✓ ✓ ✓0 PAIN0 0 H0 R – – ✓ ✓PAIOEN(Pa Port EnableRegister)15 – 0 – R – – – – –14 PAIEN6 0 H0 R/W – – – – ✓13 PAIEN5 0 H0 R/W – – – ✓12 PAIEN4 0 H0 R/W – – ✓ ✓11 PAIEN3 0 H0 R/W ✓ ✓ ✓ ✓10 PAIEN2 0 H0 R/W – ✓ ✓ ✓9 PAIEN1 0 H0 R/W – ✓ ✓ ✓8 PAIEN0 0 H0 R/W – – ✓ ✓7 – 0 – R – – – – –6 PAOEN6 0 H0 R/W – – – – ✓5 PAOEN5 0 H0 R/W – – – ✓4 PAOEN4 0 H0 R/W – – ✓ ✓3 PAOEN3 0 H0 R/W ✓ ✓ ✓ ✓2 PAOEN2 0 H0 R/W – ✓ ✓ ✓1 PAOEN1 0 H0 R/W – ✓ ✓ ✓0 PAOEN0 0 H0 R/W – – ✓ ✓