Datasheet
STA309A Pin connections
Doc ID 13855 Rev 4 11/67
17
CMOS input buffer with
pull-down
SA Select address (I
2
C)
18
Bidirectional buffer: 5-V
tolerant TTL schmitt trigger
input; 3.3-V capable 2mA
slew-rate controlled output.
SDA Serial data (I
2
C)
19
5-V tolerant TTL schmitt
trigger input buffer
SCL Serial clock (I
2
C)
20
5-V tolerant TTL schmitt
trigger input buffer
XTI Crystal oscillator input (clock input)
21 Analog pad FILTER_PLL PLL filter
23 Analog ground GNDA PLL ground
24 3.3V analog supply voltage VDDA PLL supply
25
3.3-V capable TTL tristate
4mA output buffer
CKOUT Clock output
29
3.3-V capable TTL 16mA
output buffer
OUT8B PWM channel 8 output B
30
3.3-V capable TTL 16mA
output buffer
OUT8A PWM channel 8 output A
31
3.3-V capable TTL 16mA
output buffer
OUT7B PWM channel 7 output B
32
3.3-V capable TTL 16mA
output buffer
OUT7A PWM channel 7 output A
33
3.3-V capable TTL 16mA
output buffer
OUT6B PWM channel 6 output B
34
3.3-V capable TTL 16mA
output buffer
OUT6A PWM channel 6 output A
38
3.3-V capable TTL 16mA
output buffer
OUT5B PWM channel 5 output B
39
3.3-V capable TTL 16mA
output buffer
OUT5A PWM channel 5 output A
40
3.3-V capable TTL 16mA
output buffer
OUT4B PWM channel 4 output B
41
3.3-V capable TTL 16mA
output buffer
OUT4A PWM channel 4 output A
42
3.3-V capable TTL 16mA
output buffer
OUT3B PWM channel 3 output B
43
3.3-V capable TTL 16mA
output buffer
OUT3A PWM channel 3 output A
47
3.3-V capable TTL 16mA
output buffer
OUT2B PWM channel 2 output B
Table 2. Pin description (continued)
Pin Type Name Description