Samsung S3F401F - Manual (Page 159)

I/O PORTS S3F401F_UM_REV1.00
8-10
PORT1 Control Register (Continued) PCON1H (0x008) Access: Read/Write
P1.20 PORT 1.20
00 = Input Mode General IO port Schmitt-trigger
01 = Output Mode General IO port
−
10 = SSPFSS1 SSP1 Selection input port
−
11 = INT20 Interrupt input port
−
P1.21 PORT 1.21
00 = Input Mode General IO port Schmitt-trigger
01 = Output Mode General IO port
−
10 = PHAZEA1 ENC1 input port
−
11 = INT21 Interrupt input port
−
P1.22 PORT 1.22
00 = Input Mode General IO port Schmitt-trigger
01 = Output Mode General IO port
−
10 = PHAZEB1 ENC1 input port
−
11 = INT22 Interrupt input port
−
P1.23 PORT 1.23
00 = Input Mode General IO port Schmitt-trigger
01 = Output Mode General IO port
−
10 = PHAZEZ1 ENC1 input port
−
11 = INT23 Interrupt input port
−
P1.24 PORT 1.24
00 = Input Mode General IO port Schmitt-trigger
01 = Output Mode General IO port
−
10 = PWM1OFF IMC1 Emergency input port
−
11 = INT24 Interrupt input port
−
P1.25 PORT 1.25
00 = Input Mode General IO port Schmitt-trigger
01 = Output Mode General IO port
−
10 = PWM1U0 IMC1 PWM output port
−
11 = INT25 Interrupt input port
−
P1.26 PORT 1.26
00 = Input Mode General IO port Schmitt-trigger
01 = Output Mode General IO port
−
10 = PWM1D0 IMC1 PWM output port
−
11 = INT26 Interrupt input port
−