7 I/O PORTS (PPORT)
S1C31D50/D51 TECHNICAL MANUAL
Seiko Epson Corporation
7-39
(Rev. 2.00)
7.7.13 Common Registers between Port Groups
Table 7.7.13.1 Control Registers for Common Use with Port Groups
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
48
pin
64
pin
80
pin
100
pin
PPORTCLK
(P Port Clock Control
Register)
15–9 –
0x00
–
R
–
– – – –
8
DBRUN
0
H0
R/WP –
✓
✓
✓
✓
7–4 CLKDIV[3:0]
0x0
H0
R/WP
✓
✓
✓
✓
3–2 –
0x0
–
R
–
– – – –
1–0 CLKSRC[1:0]
0x0
H0
R/WP –
✓
✓
✓
✓
PPORTINTFGRP
(P Port Interrupt Flag
Group Register)
15–11 –
0x0
–
R
–
– – – –
10 PAINT
0
H0
R
–
✓
✓
✓
✓
9
P9INT
0
H0
R
✓
✓
✓
✓
8
P8INT
0
H0
R
✓
✓
✓
✓
7
P7INT
0
H0
R
✓
✓
✓
✓
6
P6INT
0
H0
R
✓
✓
✓
✓
5
P5INT
0
H0
R
✓
✓
✓
✓
4
P4INT
0
H0
R
✓
✓
✓
✓
3
P3INT
0
H0
R
✓
✓
✓
✓
2
P2INT
0
H0
R
✓
✓
✓
✓
1
P1INT
0
H0
R
✓
✓
✓
✓
0
P0INT
0
H0
R
✓
✓
✓
✓