MC908JL3ECPE Datasheet, PDF (20/180 Pages) Freescale Semiconductor, Inc – Microcontrollers

General Description
1.5 Pin Functions
Description of the pin functions are provided in Table 1-2.
PIN NAME
V_DDJL3JL3
V_SS
RST
IRQ
OSC1
OSC2
PTA[0:6]
PTB[0:7]
PTD[0:7]
Table 1-2. Pin Functions
PIN DESCRIPTION
Power supply.
Power supply ground
RESET input, active low.
With Internal pull-up and Schmitt trigger input.
External IRQ pin.
With software programmable internal pull-up and schmitt
trigger input.
This pin is also used for mode entry selection.
X-tal or RC oscillator input.
MC68HC908JL3E/JK3E/JK1E:
X-tal oscillator output, this is the inverting OSC1 signal.
MC68HRC908JL3E/JK3E/JK1E:
Default is RC oscillator clock output, RCCLK.
Shared with PTA6/KBI6, with programmable pull-up.
7-bit general purpose I/O port.
Shared with 7 keyboard interrupts KBI[0:6].
Each pin has programmable internal pull-up device.
PTA[0:5] have LED direct sink capability
8-bit general purpose I/O port.
Shared with 8 ADC inputs, ADC[0:7].
8-bit general purpose I/O port.
PTD[3:0] shared with 4 ADC inputs, ADC[8:11].
PTD[4:5] shared with TIM channels, TCH0 and TCH1.
PTD[2:3], PTD[6:7] have LED direct sink capability
PTD[6:7] can be configured as 25mA open-drain output with
pull-up.
IN/OUT
In
Out
Input
Input
In
Out
In/Out
In/Out
In
In
In
In/Out
In
In/Out
Input
In/Out
In
In/Out
VOLTAGE LEVEL
5V or 3V
0V
V_DD to V_TST
V_DD to V_TST
Analog
Analog
V_DD
V_DD
V_DD
V_DD
V_SS
V_DD
Analog
V_DD
Analog
V_DD
V_SS
V_DD
NOTE
On the MC68H(R)C908JK3E/JK1E, the following pins are not available:
PTA0, PTA1, PTA2, PTA3, PTA4, PTA5, PTD0, and PTD1.
MC68HC908JL3E Family Data Sheet, Rev. 4
20
Freescale Semiconductor