CONTENTS
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Seiko Epson Corporation
S1C33L26 TECHNICAL MANUAL
24.3 Data Input/Output ..........................................................................................................24-3
24.4 Pull-up Control ..............................................................................................................24-4
24.5 Port Input Interrupt and DMA ........................................................................................24-4
24.6 Input Port Noise Filters ..................................................................................................24-9
24.7 Bus Drive Control ..........................................................................................................24-9
24.8 Control Register Details ................................................................................................24-9
_DAT) ................................................................................. 24-11
Port I/O Control Registers (GPIO_P
_IOC) ....................................................................... 24-11
Port Pull-up Control Registers (GPIO_P
_PUP) ................................................................ 24-12
FPT0–3 Interrupt Port Select Register (GPIO_FPT03_SEL) .................................................. 24-13
FPT4–7 Interrupt Port Select Register (GPIO_FPT47_SEL) .................................................. 24-13
FPT8–B Interrupt Port Select Register (GPIO_FPT8B_SEL).................................................. 24-14
FPTC–F Interrupt Port Select Register (GPIO_FPTCF_SEL) ................................................. 24-15
FPT0–3 Interrupt Polarity Select Register (GPIO_FPT03_POL) ............................................. 24-15
FPT4–7 Interrupt Polarity Select Register (GPIO_FPT47_POL) ............................................. 24-16
FPT8–B Interrupt Polarity Select Register (GPIO_FPT8B_POL) ............................................ 24-16
FPTC–F Interrupt Polarity Select Register (GPIO_FPTCF_POL) ........................................... 24-16
FPT0–3 Interrupt Mode Select Register (GPIO_FPT03_MOD) .............................................. 24-16
FPT4–7 Interrupt Mode Select Register (GPIO_FPT47_MOD) .............................................. 24-17
FPT8–B Interrupt Mode Select Register (GPIO_FPT8B_MOD) ............................................. 24-17
FPTC–F Interrupt Mode Select Register (GPIO_FPTCF_MOD) ............................................. 24-17
FPT0–3 Interrupt Mask Register (GPIO_FPT03_MSK) .......................................................... 24-18
FPT4–7 Interrupt Mask Register (GPIO_FPT47_MSK) .......................................................... 24-18
FPT8–B Interrupt Mask Register (GPIO_FPT8B_MSK) ......................................................... 24-18
FPTC–F Interrupt Mask Register (GPIO_FPTCF_MSK) ......................................................... 24-18
FPT0–3 Interrupt Flag Register (GPIO_FPT03_FLG) ............................................................. 24-19
FPT4–7 Interrupt Flag Register (GPIO_FPT47_FLG) ............................................................. 24-19
FPT8–B Interrupt Flag Register (GPIO_FPT8B_FLG) ............................................................ 24-19
FPTC–F Interrupt Flag Register (GPIO_FPTCF_FLG) ........................................................... 24-20
FPT0–1 Interrupt Chattering Filter Control Register (GPIO_FPT01_CHAT) ........................... 24-20
FPT2–3 Interrupt Chattering Filter Control Register (GPIO_FPT23_CHAT) ........................... 24-21
FPT4–5 Interrupt Chattering Filter Control Register (GPIO_FPT45_CHAT) ........................... 24-22
FPT6–7 Interrupt Chattering Filter Control Register (GPIO_FPT67_CHAT) ........................... 24-22
FPT8–9 Interrupt Chattering Filter Control Register (GPIO_FPT89_CHAT) ........................... 24-23
FPTA–B Interrupt Chattering Filter Control Register (GPIO_FPTAB_CHAT) .......................... 24-23
FPTC–D Interrupt Chattering Filter Control Register (GPIO_FPTCD_CHAT) .......................... 24-24
FPTE–F Interrupt Chattering Filter Control Register (GPIO_FPTEF_CHAT) .......................... 24-24
Port DMA Trigger Source Select Register (GPIO_DMA) ......................................................... 24-25
P0[3:0] Port Function Select Register (PMUX_P0_03) ........................................................... 24-26
P0[7:4] Port Function Select Register (PMUX_P0_47) ........................................................... 24-27
P1[3:0] Port Function Select Register (PMUX_P1_03) ........................................................... 24-28
P1[7:4] Port Function Select Register (PMUX_P1_47) ........................................................... 24-29
P2[1:0] Port Function Select Register (PMUX_P2_01) ........................................................... 24-29
P3[3:0] Port Function Select Register (PMUX_P3_03) ........................................................... 24-30
P3[6:4] Port Function Select Register (PMUX_P3_46) ........................................................... 24-31
P4[2:0] Port Function Select Register (PMUX_P4_02) ........................................................... 24-31
P5[3:0] Port Function Select Register (PMUX_P5_03) ........................................................... 24-32
P5[6:4] Port Function Select Register (PMUX_P5_46) ........................................................... 24-33
P60 Port Function Select Register (PMUX_P6_0) .................................................................. 24-33
P7[3:0] Port Function Select Register (PMUX_P7_03) ........................................................... 24-34
P7[5:4] Port Function Select Register (PMUX_P7_45) ........................................................... 24-34
P8[3:0] Port Function Select Register (PMUX_P8_03) ........................................................... 24-35
P9[3:0] Port Function Select Register (PMUX_P9_03) ........................................................... 24-36
P9[7:4] Port Function Select Register (PMUX_P9_47) ........................................................... 24-37
PA[3:0] Port Function Select Register (PMUX_PA_03) ........................................................... 24-38
PA[6:4] Port Function Select Register (PMUX_PA_46) ........................................................... 24-38
PB[3:0] Port Function Select Register (PMUX_PB_03) .......................................................... 24-39