F81867
5. Pin Description
I/O16st
- TTL level bi-directional pin with schmitt trigger, 16mA source/sink capability.
- Low level bi-directional pin. Outupt with 8 mA drive and 1mA sink capability.
Ilv/OD8, S1v
I/OOD12st,
5v
- TTL level bi-directional pin, output can be selected to open drian or push pull by the
register, with 12 mA source/sink capability, 5V tolerance.
- TTL level bi-directional pin with schmitt trigger, output can be selected to open drian or
push pull by the register, with 14 mA source/sink capability, 5V tolerance.
- TTL level bi-directional pin, output can be selected to open drian or push pull by register,
with 8 mA source/sink capability, 5V tolerance.
I/OOD14st,5v
I/OOD8st,5v
- TTL level bi-directional pin with schmitt trigger, open drain output with 16 mA sink
capability, 5V tolerance.
- Open drain output pin with 16 mA sink capability, pull-up 10kΩ.
- TTL level bi-directional pin with schmitt trigger,12 mA sink capability, 5V tolerance.
- Output pin with 8 mA source/sink capability.
I/OD16st,5v
OD16,u10
I/O12st,5v
O8
O12
- Output pin with 12 mA source/sink capability.
O14
- Output pin with 14 mA source/sink capability.
O16
- Output pin with 16 mA source/sink capability.
OOD12,5v
AOUT
OD12,5v
OD14,5v
OD24t,5v
I/OD12st,5v
- Open drian or push pull by the register, with 12 mA source/sink capability, 5V tolerance.
- Analog output pin.
- Open-drain output pin with 12 mA sink capability, 5V tolerance.
- Open-drain output pin with 14 mA sink capability, 5V tolerance.
- TTL level Open-drain output pin with 24 mA sink capability, 5V tolerance.
- TTL level bi-directional pin with schmitt trigger, open drain output with 12mA source-sink
capability, 5V tolerance.
I/O8st, 5v
INst,lv
INt,5v
INst
- TTL level bi-directional pin with schmitt trigger, 8 mA sink capability, 5V tolerance.
- Low voltage, TTL level input pin with schmitt trigger.
- TTL level input pin,5V tolerance.
- TTL level input pin with schmitt trigger.
INst,5v
INt, u47,5v
AIN
- TTL level input pin with schmitt trigger, 5V tolerance.
- TTL level input pin, pull-up 47kΩ, 5V tolerance.
- Analog Input pin.
P
- Power.
5.1 Power Pin
Pin
Pin Name
Type
Description
Power supply voltage input with 3.3V.
3.3V internal standby power regulates from 5VSB
for internal circuit usage. Strongly recommend to
place 0.1uF for the compensation.
Battery voltage. Place 1000pF for monitoring.
5V standby power supply.
31, 119
3VCC
P
60
I_VSB3V
P
84
73
VBAT
5VSB (V5A)
3VSB
P
P
P
P
P
97
Analog Power with 3.3V standby.
Analog GND.
88
AGND
22, 128
GND
Digital GND.
17
Dec, 2011
V0.12P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
