MC68HC908AB32 Datasheet, PDF (39/392 Pages) Motorola, Inc – HCMOS Microcontroller Unit

General Description
Pin Name
PTF4/TBCH0
PTF3/TBCH3
PTF2/TBCH2
PTF1/TACH3
PTF0/TACH2
PTG2/KBD2–PTG0/KBD0
PTH1/KBD4–PTH0/KBD3
V_DD
V_SS
V_DDA
V_SSA
V_REFH
A_VSS/V_REFL
V_DDAREF
OSC1
OSC2
CGMXFC
IRQ
RST
Table 1-1. I/O Pins Summary
Function
General purpose I/O
/ Timer B channel 0
General purpose I/O
/ Timer B channel 3
General purpose I/O
/ Timer B channel 2
General purpose I/O
/ Timer A channel 3
General purpose I/O
/ Timer A channel 2
General purpose I/O with
key wakeup feature
General purpose I/O with
key wakeup feature
Driver Type
Dual State
Dual State
Dual State
Dual State
Dual State
Dual State
Dual State
Logical chip power supply
NA
Logical chip ground
NA
Analog power supply (CGM)
NA
Analog ground (CGM)
NA
ADC reference voltage
NA
ADC ground and reference
voltage
NA
ADC power supply
NA
External clock in
NA
External clock out
NA
PLL loop filter cap
NA
External interrupt request
NA
Reset
NA
Hysteresis
Yes
Yes
Yes
Yes
Yes
Yes
Yes
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Reset State
Input (Hi-Z)
Input (Hi-Z)
Input (Hi-Z)
Input (Hi-Z)
Input (Hi-Z)
Input (Hi-Z)
Input (Hi-Z)
NA
NA
NA
NA
NA
NA
NA
Input (Hi-Z)
Output
NA
Input (pullup)
Input (pullup)
Details of the clock connections to each of the modules on the
MC68HC908AB32 are shown in Table 1-2. A short description of each
clock source is also given in Table 1-3.
MC68HC908AB32 — Rev. 1.1
Freescale Semiconductor
General Description
Technical Data
39