
ePVP6200
VFD Controller
26 of 57
11.18.2004 (V1.53)
This specification is subject to change without further notice.
b) PAGE 1 (PORTC Switches)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PC7S
PC6S
PC5S
PC4S
-
-
-
-
R/W-1
R/W-1
R/W-1
R/W-1
-
-
-
-
Bit 4 (PC4S)
:
Select STB or I/O PORTC4 pin
0
PC4 (I/O PORTC4) pin is selected
1
STB pin is selected
Bit 5 (PC5S)
:
Select CLK or I/O PORTC5 pin
0
PC5 (I/O PORTC5) pin is selected
1
CLK pin is selected
Bit 6 (PC6S)
:
Select DOUT or I/O PORTC6 pin
0
PC6 (I/O PORTC6) pin is selected
1
DOUT pin is selected (N-channel,Open-Drain)
Bit 7 (PC7S)
:
Select DIN or I/O PORTC7 pin
0
PC7 (I/O PORTC7) pin is selected
1
DIN pin is selected
7.3.8 IOCD (Interrupt Mask, Prescaler of CN3 ~ CN5)
a) PAGE 0 (Interrupt Mask)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
-
-
-
-
-
CNT5
CNT4
CNT3
-
-
-
-
-
R/W-0
R/W-0
R/W-0
Bit 0 ~ 3
:
Interrupt enable bit
0
disable interrupt
1
enable interrupt
7.3.9
IOCE (Interrupt Mask)
a) PAGE 0 (Interrupt Mask)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
-
RBF
-
STB
-
-
-
-
-
R/W-0
-
R/W-0
-
-
-
-
Bit 4 (STB)
:
STB goes LOW interrupt mask.
0/1
disable/enable interrupt
Bit 6 (RBF)
:
SPI’s RBF interrupt mask
0/1
disable/enable interrupt
7.3.10 IOCF (Interrupt Mask )
a) PAGE 0 (Interrupt Mask Register)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
INT4
INT3
INT2
INT1
IR
CNT2
CNT1
TCIF
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0