r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 881

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Bit
16
15
14
Bit Name
DFB1
TVR
FRM
0
Initial
Value
0
0
R/W
R
R
R
Internal
Update
None
None
None
Description
Display Frame Buffer 1 Flag
0: The address indicated by the plane 1 display
1: The address indicated by the plane 1 display
TV Synchronization Error Flag
0: After using the DRES bit in DSYSR or the
1: Indicates that the rising edge of EXVSYNC
Frame Flag
0: After clearing to 0 the FRM bit using either the
1: After clearing to 0 the FRM bit using either the
area start address 0 register (P1DSA0R) in
plane 1 is being used as the display area start
address
area start address 0 register (P1DSA1R) in
plane 1 is being used as the display area start
address
TVCL bit in the display status register clear
register (DSRCR) to clear the TVR bit to 0,
indicates that the rising edge of EXVSYNC is
being detected each time within the vertical
period determined by the setting of the
vertical scan period register (VCR).
was not detected within the vertical period
determined by the setting of VCR when in TV
sync mode.
The TVR bit holds its state until cleared to 0
by the DRES bit in DSYSR or by the TVCL bit
in DSRCR.
DRES bit in DSYSR or the FRCL bit in
DSRCR, in interlaced mode indicates the
interval to the next display end, and in
interlaced sync mode or in interlaced sync &
video mode indicates the interval to the
display end of the next even field.
DRES bit in DSYSR or the FRCL bit in
DSRCR, indicates the interval until the next
time the FRM bit is cleared, from the first
vertical blanking interval in non-interlaced
mode, and from the first even field blanking
interval in interlaced sync or in interlaced sync
& video mode. (frame units)
Rev.1.00 Jan. 10, 2008 Page 851 of 1658
19. Display Unit (DU)
REJ09B0261-0100