EPVP6800 Datasheet, PDF (21/47 Pages) ELAN Microelectronics Corp – VFD Controller

ePVP6800
VFD Controller
B) PAGE 2 (Counter3 Data Register)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
CN37
CN36
CN35
CN34
CN33
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
Bit 2
CN32
R/W-0
Bit 1
CN31
R/W-0
Bit 0
CN30
R/W-0
Bit 0 ~ Bit 7 (CN30 ~ CN37) : Counter3's buffer that you can read and write.
Counter3 is an 8-bit up-counter with 8-bit prescaler that allows you to
use RA PAGE2 to preset and read the counter (write preset). After
an interruption, it will reload the preset value.
7.2.12 RB (PORT9 Switches)
a) PAGE 1 (PORT9, Pull High)
Bit 7
Bit 6
Bit 5
Bit 4
-
-
-
-
-
-
-
-
Bit 3
PH93
R/W-0
Bit 2
PH92
R/W-0
Bit 1
PH91
R/W-0
Bit 0
PH90
R/W-0
Bit 0 ~ Bit 3 (PH90 ~ PH93) : PORT9 Bit0 ~ Bit3 pull high control register
0 disable pull high function.
1 enable pull high function
b) PAGE 2 (Counter4 Data Register)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
CN47
CN46
CN45
CN44
CN43
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
Bit 2
CN42
R/W-0
Bit 1
CN41
R/W-0
Bit 0
CN40
R/W-0
Bit 0 ~ Bit 7 (CN40 ~ CN47) : Counter4 buffer that you can read and write.
Counter 4 is an 8-bit up-counter with 8-bit prescaler that allows you to
use RB PAGE2 to preset and read the counter.(write preset). After
an interruption, it will reload the preset value.
This specification is subject to change without further notice.
11.28.2004 (V123) 15 of 47