Control Register Details - Epson S1C17001 Technical Manual

10 INPUT/OUTPUT PORT (P)

10.8 Control Register Details

Address
0x5200 P0_IN P0 Port Input Data Register
0x5201 P0_OUT P0 Port Output Data Register
0x5202 P0_IO P0 Port I/O Direction Control Register
0x5203 P0_PU P0 Port Pull-up Control Register
0x5205 P0_IMSK P0 Port Interrupt Mask Register
0x5206 P0_EDGE P0 Port Interrupt Edge Select Register
0x5207 P0_IFLG P0 Port Interrupt Flag Register
0x5208 P0_CHAT P0 Port Chattering Filter Control Register
0x5209 P0_KRST P0 Port Key-Entry Reset Configuration Register P0 port key entry reset setting
0x5210 P1_IN P1 Port Input Data Register
0x5211 P1_OUT P1 Port Output Data Register
0x5212 P1_IO P1 Port I/O Direction Control Register
0x5213 P1_PU P1 Port Pull-up Control Register
0x5215 P1_IMSK P1 Port Interrupt Mask Register
0x5216 P1_EDGE P1 Port Interrupt Edge Select Register
0x5217 P1_IFLG P1 Port Interrupt Flag Register
0x5220 P2_IN P2 Port Input Data Register
0x5221 P2_OUT P2 Port Output Data Register
0x5222 P2_IO P2 Port I/O Direction Control Register
0x5223 P2_PU P2 Port Pull-up Control Register
0x5230 P3_IN P3 Port Input Data Register
0x5231 P3_OUT P3 Port Output Data Register
0x5232 P3_IO P3 Port I/O Direction Control Register
0x5233 P3_PU P3 Port Pull-up Control Register
0x52a0 P0_PMUX P0 Port Function Select Register
0x52a1 P1_PMUX P1 Port Function Select Register
0x52a2 P2_PMUX P2 Port Function Select Register
0x52a3 P3_PMUX P3 Port Function Select Register
The input/output port registers are described in detail below. These are 8-bit registers.
Note: When data is written to the registers, the "Reserved" bits must always be written as 0 and not 1.
92
Table 10.8.1: Input/output port control register list
Register name
EPSON
Function
P0 port input data
P0 port output data
P0 port input/output direction selection
P0 port pull-up control
P0 port interrupt mask setting
P0 port interrupt edge selection
P0 port interrupt occurrence status display/reset
P0 port chattering filter control
P1 port input data
P1 port output data
P1 port input/output direction selection
P1 port pull-up control
P1 port interrupt mask setting
P1 port interrupt edge selection
P1 port interrupt occurrence status display/reset
P2 port input data
P2 port output data
P2 port input/output direction selection
P2 port pull-up control
P3 port input data
P3 port output data
P3 port input/output direction selection
P3 port pull-up control
P0 port function selection
P1 port function selection
P2 port function selection
P3 port function selection
S1C17001 TECHNICAL MANUAL