Data Sheet
MC68HC908SR12MC68HC08SR12 — Rev. 5.0
44
General Description
Freescale Semiconductor
General Description
1.6.10 Analog Input Pins (OPIN1/ATD0, OPIN2/ATD1, V
SSAM
)
OPIN1/ATD0 and OPIN2/ATD1 are input pins to the analog module and
ADC and V
SSAM
is the negative reference input. See
Section 14.
Analog Module
and
Section 15. Analog-to-Digital Converter (ADC)
.
1.6.11 Port A Input/Output (I/O) Pins (PTA7
–
PTA0)
PTA7–PTA0 are special function, bidirectional port pins.
PTA7/T1CH1–PTA6/T1CH0 are shared with the TIM1, and
PTA5/ATD7–PTA0/ATD2 are shared with the ADC. See
Section 18.
Input/Output (I/O) Ports
,
Section 11. Timer Interface Module (TIM)
,
and
Section 15. Analog-to-Digital Converter (ADC)
.
1.6.12 Port B I/O Pins (PTB6–PTB0)
PTB6–PTB0 are special function, bidirectional port pins. PTB6/IRQ2 is
shared with the IRQ2 input, PTB5/T2CH1–PTB4/T2CH0 are shared with
the TIM2, PTB3/SCL1/RxD–PTB2/SDA1/TxD are shared with the
MMIIC and SCI, and PTB1/SCL0–PTB0/SDA0 are shared with the
MMIIC. See
Section 18. Input/Output (I/O) Ports
,
Section 19.
External Interrupt (IRQ)
,
Section 11. Timer Interface Module (TIM)
,
Section 16. Serial Communications Interface (SCI)
, and
Section 17.
Multi-Master IIC Interface (MMIIC)
.
1.6.13 Port C I/O Pins (PTC7–PTC0)
PTC7–PTC0 are special function, bidirectional port pins.
PTC7/ATD12–PTC3/ATD8 are shared with the ADC,
PTC2/PWM2–PTC1/PWM1 are shared with the PWM, and
PTC0/PWM0/CD is shared with the PWM and analog module. See
Section 18. Input/Output (I/O) Ports
,
Section 15. Analog-to-Digital
Converter (ADC)
,
Section 13. Pulse Width Modulator (PWM)
, and
Section 14. Analog Module
.
1.6.14 Port D I/O Pins (PTD7/KBI7–PTD0/KBI0)
PTD7–PTD0 are general-purpose bidirectional port pins with keyboard
wakeup function. See
Section 18. Input/Output (I/O) Ports
and
Section 20. Keyboard Interrupt Module (KBI)
.