MC68HC908JB8 Datasheet, PDF (38/286 Pages) Motorola, Inc – MICROCONTROLLERS

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