Epson S1C17624 Technical Manual page 339

Register name address Bit
P1 Port 0x5218 D7
Chattering
(8 bits) D6–4 P1CF2[2:0] P1[7:4] chattering filter time
Filter Control
Register
(P1_ChaT)
D3
D2–0 P1CF1[2:0] P1[3:0] chattering filter time
P1 Port input 0x521a D7–0 P1ien[7:0] P1[7:0] port input enable
enable Register (8 bits)
(P1_ien)
P2 Port input 0x5220 D7–0 P2in[7:0]
Data Register (8 bits)
(P2_in)
P2 Port Output 0x5221 D7–0 P2OuT[7:0] P2[7:0] port output data
Data Register
(8 bits)
(P2_OuT)
P2 Port 0x5222 D7–0 P2Oen[7:0] P2[7:0] port output enable
Output enable
(8 bits)
Register
(P2_Oen)
P2 Port Pull-up 0x5223 D7–0 P2Pu[7:0]
Control Register (8 bits)
(P2_Pu)
P2 Port Schmitt 0x5224 D7–0 P2SM[7:0]
Trigger Control (8 bits)
Register
(P2_SM)
P2 Port input 0x522a D7–0 P2ien[7:0] P2[7:0] port input enable
enable Register (8 bits)
(P2_ien)
P3 Port input 0x5230 D7–0 P3in[7:0]
Data Register (8 bits)
(P3_in)
P3 Port Output 0x5231 D7–0 P3OuT[7:0] P3[7:0] port output data
Data Register (8 bits)
(P3_OuT)
P3 Port 0x5232 D7–0 P3Oen[7:0] P3[7:0] port output enable
Output enable (8 bits)
Register
(P3_Oen)
P3 Port Pull-up 0x5233 D7–0 P3Pu[7:0]
Control Register (8 bits)
(P3_Pu)
P3 Port Schmitt 0x5234 D7–0 P3SM[7:0]
Trigger Control (8 bits)
Register
(P3_SM)
P3 Port input 0x523a D7–0 P3ien[7:0] P3[7:0] port input enable
enable Register
(8 bits)
(P3_ien)
P4 Port input 0x5240 D7–0 P4in[7:0]
Data Register (8 bits)
(P4_in)
P4 Port Output 0x5241 D7–0 P4OuT[7:0] P4[7:0] port output data
Data Register (8 bits)
(P4_OuT)
P4 Port 0x5242 D7–0 P4Oen[7:0] P4[7:0] port output enable
Output enable (8 bits)
Register
(P4_Oen)
S1C17624/604/622/602/621 TeChniCal Manual
name Function
– reserved
–
reserved
P2[7:0] port input data
P2[7:0] port pull-up enable
P2[7:0] port Schmitt trigger input
enable
P3[7:0] port input data
P3[7:0] port pull-up enable
P3[7:0] port Schmitt trigger input
enable
P4[7:0] port input data
Seiko epson Corporation
aPPenDiX a liST OF i/O ReGiSTeRS
Setting init. R/W
–
P1CF2[2:0] Filter time
0x7 16384/f 0x0 R/W
PCLK
0x6 8192/f
PCLK
0x5 4096/f
PCLK
0x4 2048/f
PCLK
0x3 1024/f
PCLK
0x2 512/f
PCLK
0x1 256/f
PCLK
0x0 None
–
P1CF1[2:0] Filter time 0x0 R/W
0x7 16384/f
PCLK
0x6 8192/f
PCLK
0x5 4096/f
PCLK
0x4 2048/f
PCLK
0x3 1024/f
PCLK
0x2 512/f
PCLK
0x1 256/f
PCLK
0x0 None
1 Enable 0 Disable
(0xff)
1 1 (H) 0 0 (L)
1 1 (H) 0 0 (L)
1 Enable 0 Disable
1 Enable 0 Disable
(0xff)
1 Enable 0 –
(Schmitt)
1 Enable 0 Disable
(0xff)
1 1 (H) 0 0 (L)
1 1 (H) 0 0 (L)
1 Enable 0 Disable
1 Enable 0 Disable
(0xff)
1 Enable 0 –
(Schmitt)
1 Enable 0 Disable
(0xff)
1 1 (H) 0 0 (L)
1 1 (H) 0 0 (L)
1 Enable 0 Disable
Remarks
– – 0 when being read.
0 R/W
– – 0 when being read.
1 R/W
×
R
0 R/W
0 R/W
1 R/W
1 R Always enabled
1 R/W
×
R
0 R/W
0 R/W
1 R/W
1 R Always enabled
1 R/W
×
R D[7:4] =reserved in
S1C17604/602/621
0 R/W D[7:4] =reserved in
S1C17604/602/621
0 R/W D[7:4] =reserved in
S1C17604/602/621
aP-a-17