Rainbow Electronics APExx12 - Manual (Page 4)

APExx12 Series
Rev 1.5 2004/4/20 3
3.0 Pin Description
Pad Name Pin Attr. Description
PWM2/Cout O PWM2 output, or Current Output of Audio.
PWM1 O PWM1 output.
Vdd1~2 Power Power supply during operation.
PRA0~3
PRD0~3
I/O
I/O port can be programmed to input/output individually.
Input type with weak pull-low or fix-input-floating capability.
Buffer Output type.
PRB0, PRB2 I/O
I/O port can be configured to input/output individually.
Input type with weak pull-low or fix-input-floating capability.
Buffer Output type.
PRB1 / IR I/O
I/O port can be configured to input/output individually.
Input type with weak pull-low or fix-input-floating capability.
Buffer Output type.
Mask option selected as an IR Carrier Output with 38k / 56kHz
PRB3 / Reset I/O
I/O port can be configured to input/output individually.
Input type with weak pull-low or fix-input-floating capability.
Buffer Output type.
Mask option selected as an external RESET pin with weak pull-low
capability.
OSC I RM mode Oscillator input
GND1~3 Power Ground Potential
4.0 DC Characteristics
Symbol Parameter Vdd Min. Typ. Max. Unit Condition
Vdd Operating voltage 2.4 3 5.5 V depending on Freq.
3 1
Isb Standby
4.5 1
uA
4MHz, RM,
in HALT Mode
3 1
Iop
Supply
current
Operating
4.5 2.5
mA
4MHz, RM,
IO Floating
3 3
Iih
Input current
(Internal pull low) 4.5 10
uA
Input ports with weak
pull-low
3 -3
Ioh Output-high current
4.5 -10
3 7
Iol Output-low current
4.5 19
mA
4MHz, RM
(IO ports)
3 0.8 ~ 4.8
Cout
DAC output current
(8-level option) 4.5 0.9 ~ 6.5
mA
4MHz, RM
(Full scale)
dF/F Frequency stability -5 5 %
Fosc(3v- 2.4v)
Fosc (3v)
dF/F Fosc lot variation -10 10 %
Vdd=3V, Rosc=430k,
4MHz