mc68hc908jb8 Freescale Semiconductor, Inc, mc68hc908jb8 Datasheet - Page 38

• Manufacturer Part Number: mc68hc908jb8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

General Description
Technical Data
38
PTC0–PTC7
PTD0–PTD7
PTE1/TCH0
PTE2/TCH1
PTE0/TCLK
PIN NAME
PTE3/D+
PTE4/D–
8-bit general-purpose I/O port.
Each pin has programmable internal pullup to V
configured as input.
8-bit general-purpose I/O port;
open-drain when configured as output.
PTD0–PTD1 have configurable 25mA sink for infrared LED.
PTD2–PTD5 have configurable 10mA sink for LED.
PTE0–PTE2 are general-purpose I/O pins.
PTE0–PTE2 have programmable internal pullup to V
when configured as input or output.
PTE0 as TCLK of timer interface module.
PTE1 as TCH0 of timer interface module.
PTE2 as TCH1 of timer interface module.
PTE3–PTE4 are general-purpose I/O pins;
open-drain when configured as output.
PTE3–PTE4 have programmable internal pullup to V
when configured as input.
PTE3 as D+ of USB module.
PTE4 as D– of USB module.
PTE4 as additional IRQ interrupt.
Table 1-1. Summary of Pin Functions
PIN DESCRIPTION
General Description
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
REG
when
REG
DD
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
Freescale Semiconductor
VOLTAGE LEVEL
V
V
V
V
REG
REG
REG
REG
V
V
V
V
V
V
V
V
V
V
V
V
V
REG
REG
REG
REG
REG
REG
REG
REG
REG
REG
DD
DD
DD
or V
or V
or V
or V
DD
DD
DD
DD