Data Sheet #: TM026

Page 6 of 8

Rev: P03

Date: 4/25/06

Microprocessor Interface

The STS-100 has a microprocessor interface incorporated into the module. The module can be configured to function in the

modes listed in Table 2. The module is configured by using pins UPSEL[2:0].

Table 7

UPSEL[2:0]

MODE

000

Off

001

EEPROM

010

Multiplexed

011

INTEL

100

MOTOROLA

101

Serial

110

Off

111

Off

MOTOROLA mode: Parallel data + address. Compatible with 68x0 type bus.

INTEL mode: Parallel data + address. Compatible with 80x86 type bus.

Multiplexed mode: Data/address. Mode is suitable for microprocessors, which share bus signals between data and address.

Serial mode: Compatible with serial interface.

EEPROM mode: This mode is suitable for use with an EEPROM, in which configuration information is stored (one way

communication- status information not accessible).

Note: For timing diagrams and additional details, please refer to the ACS8530 data sheet.

Package Dimensions

Maximum Board Dimension: L x W x H = 2” x 2” x 0.5”

Fig 3