saa5647hl NXP Semiconductors, saa5647hl Datasheet - Page 26

• Manufacturer Part Number: saa5647hl
• Description: Saa56xx Enhanced Tv Microcontrollers With On-screen Display Osd
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2004 Sep 03
Timer/counter Mode Control (TMOD)
GATE
C/T
M1 to M0
GATE
C/T
M1 to M0
Timer 2 Mode Control (T2MOD)
T2RD
T2OE
DCEN
Text Register 0 (TXT0)
X24 POSN
DISPLAY X24
AUTO FRAME
DISABLE HEADER ROLL
DISPLAY STATUS ROW ONLY
DISABLE FRAME
VPS ON
INV ON
Text Register 1 (TXT1)
EXT PKT OFF
8-BIT
ACQ OFF
X26 OFF
FULL FIELD
FIELD POLARITY
H POLARITY
Enhanced TV microcontrollers with
On-Screen Display (OSD)
BITS
gating control Timer/counter 1
Counter/Timer 1 selector
mode control bits Timer/counter 1; M<1:0>:
gating control Timer/counter 0
Counter/Timer 0 selector
mode control bits Timer/counter 0; M<1:0>:
Timer 2 Read flag. This bit is set by hardware if following TL2 read and before
TH2 read, TH2 is incremented. It is reset on the trailing edge of next TL2 read.
Timer 2 output enable bit. When set, pin T2 is configured as a clock output.
Down count enable flag. When set, this allows Timer 2 to be configured as an
up/down Counter.
store packet 24 in extension packet memory (logic 0) or page memory (logic 1)
display X24 from page memory (logic 0) or extension packet memory (logic 1)
FRAME output switched off automatically if any video displayed (logic 1)
disable writing of rolling headers and time into memory (logic 1)
display row 24 only (logic 1)
FRAME output always LOW (logic 1)
enable capture of VPS data (logic 1)
enable capture of inventory page in block 8 (logic 1)
disable acquisition of extension packets (logic 1)
disable checking of packets 0 to 24 written into memory (logic 1)
disable writing of data into Display memory (logic 1)
disable automatic processing of X/26 data (logic 1)
acquire data on any TV line (logic 1)
VSYNC pulse in second half of line during even field (logic 1)
HSYNC reference edge is negative going (logic 1)
00 = 8-bit Timer or 8-bit Counter with divide-by-32 prescaler
01 = 16-bit time interval or event Counter
10 = 8-bit time interval or event Counter with automatic reload upon overflow;
reload value stored in TH1
11 = stopped
00 = 8-bit timer or 8-bit counter with divide-by-32 prescaler
01 = 16-bit time interval or event Counter
10 = 8-bit time interval or event Counter with automatic reload upon overflow;
reload value stored in TH0
11 = one 8-bit time interval or event Counter and one 8-bit time interval Counter
26
FUNCTION
Product specification
SAA56xx