
Rev. 2.0, 11/00, page 743 of 1037
28.12.5
Additional V Pulse Signal
Figure 28.44 shows the additional V pulse signal. The Mlevel and Vpulse signals are generated
by the head-switch timing generator. The OSCH signal is combined with these to produce
equalizing pulses. The polarity can be selected by the POL bit in the additional V register
(ADDVR). The Vpulse pin outputs a low level by a reset, and in standby mode and module stop
mode.
R/W
R/W
· ADDVR
· ADDVR
R/W
Internal bus
R/W
R/W
CUT
VPON
HMSK
POL
HiZ
STBY
V
CC
V
CC
V
SS
V
SS
Rs
Rs
Vpulse pin
OSCH
Vpulse
Mlevel
[Legend]
STBY : Power-down mode signal
Vpulse, Mlevel : Signal from the HSW timing generator
Rs : Voltage division resistance (20 k : Reference value)
Figure 28.44 Additional V Pin
Содержание Hitachi H8S/2191
Страница 123: ...Rev 2 0 11 00 page 96 of 1037...
Страница 149: ...Rev 2 0 11 00 page 122 of 1037...
Страница 197: ...Rev 2 0 11 00 page 170 of 1037...
Страница 247: ...Rev 2 0 11 00 page 220 of 1037...
Страница 249: ...Rev 2 0 11 00 page 222 of 1037...
Страница 347: ...Rev 2 0 11 00 page 320 of 1037...
Страница 357: ...Rev 2 0 11 00 page 330 of 1037...
Страница 417: ...Rev 2 0 11 00 page 390 of 1037...
Страница 431: ...Rev 2 0 11 00 page 404 of 1037...
Страница 439: ...Rev 2 0 11 00 page 412 of 1037...
Страница 457: ...Rev 2 0 11 00 page 430 of 1037...
Страница 525: ...Rev 2 0 11 00 page 498 of 1037...
Страница 543: ...Rev 2 0 11 00 page 516 of 1037...
Страница 639: ...Rev 2 0 11 00 page 612 of 1037 28 1 2 Block Diagram Figure 28 1 shows a block diagram of the servo circuits...
Страница 845: ...Rev 2 0 11 00 page 818 of 1037...