Chapter 5 Restrictions - NEC IE-78K0-NS-P04 Preliminary User's Manual

Emulation board and probe board for ie-78k0-ns-a

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User manual (72 pages)

Preliminary user's manual (68 pages)

Table Of Contents

Table of Contents

1. Starting up the IE system without target board connected makes initial values for ports-indefinite.

2. The RESET value of the CANES register is not correct. As workaround the CANES register has to

be reset by software.

3. Meter Controller/Driver

Since an external transistor is used for the output driver, the electrical specifications of driver

capability vary as follows:

Table 5-1: Output Current per Terminal (effective value)

Note: For the device output current, see the data sheet.

4. Sound Generator

Since an external transistor is used for the output driver, the electrical specifications of driver

capability vary as follows:

Table 5-2: Output Current of P61 (SGO) (effective value)

Note: For the device output current, see the data sheet.

5. LCD Controller/Driver

It is necessary to set the LCDTM register (the ICE dedicated register).

6. Power Fail Detector

It is necessary to set the DAM0 register (dedicated register when the the ICE is used).

7. The voltage level of V

of the FLPMC register will be always read as 1.