參數(shù)資料
型號: EPVP6810
廠商: ELAN Microelctronics Corp .
英文描述: VFD Controller
中文描述: 變頻控制器
文件頁數(shù): 31/50頁
文件大?。?/td> 343K
代理商: EPVP6810
ePVP6810
VFD Controller
This specification is subject to change without further notice.
11.28.2004 (V1.23)
25 of 50
1
1
1
0
1
1
1
0
1
1:64
1:128
1:256
Bit 7 (CNT4S)
:
COUNTER4 clock source
0
16.384kHz
timing = ( 1 /16.384k) * prescaler * (256 – count vaule)
1
system clock
timing = ( 2 / system clock) * prescaler* (256 – count vaule)
7.3.6 IOCA
a) PAGE 1 (Clock Source and Prescaler for COUNTER5 )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
-
-
-
-
CNT5S
C5_PSC2 C5_PSC1 C5_PSC0
-
-
-
-
R/W-0
R/W-0
R/W-0
R/W-0
Bit 0 ~ Bit 2 (C5_PSC0 ~ C5_PSC2)
:
COUNTER5 prescaler ratio
C5_PSC2
0
0
0
0
1
1
1
1
C5_PSC1
0
0
1
1
0
0
1
1
C5_PSC0
COUNTER4
0
1
0
1
0
1
0
1
1:2
1:4
1:8
1:16
1:32
1:64
1:128
1:256
Bit 3 (CNT5S)
:
COUNTER5 clock source
0/1
16.384kHz/system clock
7.3.7 IOCB (PORTB I/O Control, PORTB Switch)
a) PAGE 0 (PORTB I/O Control Register)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
-
IOCB6
IOCB5
IOCB4
IOCB3
IOCB2
IOCB1
IOCB0
R-1
R/W-1
R/W-1
R/W-1
R/W-1
R/W-1
R/W-1
R/W-1
Bit 0 ~ Bit 6 (IOCB0 ~ IOCB 6)
:
PORTB (0~6) I/O direction control register
0
set the relative I/O pin as output
1
set the relative I/O pin into high impedance
b) PAGE 1 (PORTB Switches)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
-
PB6S
PB5S
PB4S
PB3S
PB2S
PB1S
PB0S
-
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
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