MC908JL8CDWE Datasheet, PDF (22/212 Pages) Freescale Semiconductor, Inc – Microcontrollers

General Description
Table 1-2. Pin Functions
PIN NAME
PIN DESCRIPTION
VDD
Power supply.
VSS
Power supply ground.
RST
Reset input, active low;
with internal pull-up and schmitt trigger input.
External IRQ pin; with programmable internal pull-up and schmitt
IRQ
trigger input.
Used for monitor mode entry.
OSC1
Crystal or RC oscillator input.
OSC2: crystal oscillator output; inverted OSC1 signal.
OSC2/RCCLK RCCLK: RC oscillator clock output.
Pin as PTA6/KBI6 (see PTA0–PTA7).
ADC12/T2CLK
ADC12: channel-12 input of ADC.
T2CLK: external input clock for TIM2.
8-bit general purpose I/O port.
PTA0–PTA7
Each pin has programmable internal pull-up when configured as
input.
Pins as keyboard interrupts, KBI0–KBI7.
PTA0–PTA5 and PTA7 have LED direct sink capability.
PTA6 as OSC2/RCCLK.
PTB0–PTB7
8-bit general purpose I/O port.
Pins as ADC input channels, ADC0–ADC7.
8-bit general purpose I/O port;
with programmable internal pull-ups on PTD6–PTD7.
PTD0–PTD3 as ADC input channels, ADC11–ADC8.
PTD2–PTD3 and PTD6–PTD7 have LED direct sink capability
PTD0–PTD7
PTD4 as T1CH0 of TIM1.
PTD5 as T1CH1 of TIM1.
PTD6–PTD7 have configurable 25mA open-drain output.
PTD6 as TxD of SCI.
PTD7 as RxD of SCI.
IN/OUT
In
Out
In/Out
In
In
In
Out
Out
In/Out
In
In
In/Out
In
In
Out
Out
In/Out
In
In/Out
Input
Out
In/Out
In/Out
Out
Out
In
VOLTAGE
LEVEL
5V or 3V
0V
VDD
VDD
VDD to V_TST
VDD
VDD
VDD
VDD
VSS to VDD
VDD
VDD
VDD
VDD
VSS
VDD
VDD
VSS to VDD
VDD
VSS to VDD
VSS
VDD
VDD
VSS
VDD
VDD
MC68HC908JL8/JK8 • MC68HC08JL8/JK8 • MC68HC908KL8 Data Sheet, Rev. 3.1
22
Freescale Semiconductor