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ePVP6800
VFD Controller
This specification is subject to change without further notice.
11.28.2004 (V123)
11 of 47
7.2.7 R6 (PORT6 Output Data, SPI Data Buffer)
a) PAGE 0 (PORT6 Output Data Register for HV)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P67
P66
P65
P64
P63
P62
P61
P60
W-0
W-0
W-0
W-0
W-0
W-0
W-0
W-0
7.2.8 R7 (PORT7 Output Data, Counter1 Data
a) PAGE 0 (PORT7 Output Data Register for HV)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P77
P76
P75
P74
P73
P72
P71
P70
W-0
W-0
W-0
W-0
W-0
W-0
W-0
W-0
c) PAGE 2 (Counter 1 Data Register)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CN17
CN16
CN15
CN14
CN13
CN12
CN11
CN10
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
Bit 0 ~ Bit 7 (CN10 ~ CN17)
:
Counter1 buffer that you can read and write.
Counter1 is an 8-bit up-counter with 8-bit prescaler that allows you to
use R7 PAGE2 to preset and read the counter (write
preset). After
an interruption, it will reload the preset value.
7.2.9 R8 (PORT8 Output data, Data RAM address) , Counter2_LB data
a) PAGE 0 (PORT8 Output Data Register for HV)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P87
P86
P85
P84
P83
P82
P81
P80
W-0
W-0
W-0
W-0
W-0
W-0
W-0
W-0
b) PAGE 1 (Data RAM Address Register)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RAM_A7
RAM_A6
RAM_A5
RAM_A4
RAM_A3
RAM_A2
RAM_A1
RAM_A0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
Bit 0 ~ Bit 7 (RAM_A0 ~ RAM_A7)
:
data RAM address
c) PAGE 2 (Counter2 Low Byte Data Register)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CN27
CN26
CN25
CN24
CN23
CN22
CN21
CN20
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit 0 ~ Bit 7 (CN20 ~ CN27)
:
Counter2_LB's buffer that you can read and write.
Counter2 is a 16-bit up-counter with 8-bit prescaler that allows you to
use R8 PAGE2 to preset and read the counter.(write
preset). After
an interruption, it will reload the preset value.