HC908JB16AD/D

Addendum to MC68HC908JB16 Technical Data

Pullup on PTE3/D+

and PTE4/D– Pins

On the MC68HC908JB12, control over the pullup devices on PTE3/D+ and

PTE4/D– pins are shown in Table 2.

Electrical

Specifications

Electrical specifications for the MC68HC908JB16 apply to the

MC68HC908JB12, except for the USB reset timing:

Order Numbers

These are MC order numbers for MC68HC908JB12.

Table 2. Pullup Control on PTE3/D+ and PTE4/D– Pins

PULLEN

($001A)

USBEN

($0038)

PTExP

($001D)

PTE4IE

($001C)

PTE3/D+ pin

PTE4/D– pin

0000

—

—

0010

5k

Ω pullup to V

DD

5k

Ω pullup to V

DD

(1)

0001

—

5k

Ω pullup to V

DD

(1)

0011

5k

Ω pullup to V

DD

5k

Ω pullup to V

DD

(1)

01

X

X

—

—

11

X

X

—

1.5k

Ω pullup to V

REG

10

X

0

—

1.5k

Ω pullup to V

REG

1

0

X

1

Do not set this configuration.

Notes:

Notes:

1. External interrupt function is also enabled on PTE4/D– pin.

Bus State

Signaling Levels

Transmit

Receive

Reset

NA

Table 3. MC68HC908JB12 Order Numbers

MC Order Number

Package

Operating

Temperature Range

MC68HC908JB12JDW

20-pin SOIC

0

°C to +70 °C

MC68HC908JB12DW

28-pin SOIC

0

°C to +70 °C

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com