ML6430/ML6431
DEVICE DIFFERENCES
has a few enhancements, (Center Frequency and Free Run
Mode, see Table 1) and added functionality (see Table 2).
Tables 1 and 2 summarize the differences between the
ML6430 and ML6431. The pinouts of the ML6430 and the
ML6431 are the same with the exception that the ML6431
DEVICE
FUNCTIONAL DESCRIPTION
Video Formats,
Timing,
Clock
Rates
Input
Crystal
Free Run
Mode
VGA
Clock
VCR
Lock
and Pulse
Generation
NTSC
PAL
CCIR601
Square
Pixel
4xFSC
3.58
MHz
4.43
MHz
ML6430 Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes. Limited
transition
Yes. Limited to Yes
640x480
between free
run modes
1 and 2.
pixel clock.
(Figure 4)
ML6431 Yes
Yes*
Yes
Yes*
Yes
Yes
Yes
Yes. Faster
Yes. Works
up to 75MHz.
(Table 6)
Yes.
transition be-
tween freerun
modes 1and 2.
(Figure 4a)
* Readjusted the center frequency for PAL square pixel with NTSC crystal to achieve greater than +/-5% range. See Table 4
Table 1. Summary of Functional Differences between the ML6430 and ML6431.
DEVICE
ML6430
ML6431
MODE
REGISTER DIFFERENCES
PIN OUT DIFFERENCES
Register 7,
Bit 2
Register 7,
Bit 3
Pin 3
Pin 16
Sleep Mode
Pulse Generator Mode*
Time Base Correction Mode
Sleep Mode
Pulse Generator Mode*
PHERROUT Mode*
0
1
0
0
SLEEP
54MHz**
AUDIOCLK
AUDIOCLK
This function not available in the ML6430
0
1
X
0
0
1
SLEEP
AUDIOCLK
54MHz**
Must be set HIGH
AUDIOCLK
PHERROUT
*For these modes the SLEEP mode can only be enable/disabled via serial bus (Register 8).
**The 54MHz clock input (pin 3) can be any 4 x Clock up to 70MHz
Table 2. Summary of Register Differences between the ML6430 and ML6431.
8
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
