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6 reset cancellation sequence – FUJITSU MB91460 SERIES FR60 User Manual

Page 163

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Chapter 9 Reset

5.INIT Pin Input (INIT: Settings Initialization Reset)

5.6 Reset Cancellation Sequence

After the cancellation (removal) of the settings initialization reset (external INITX pin) request the device
performs the following operations in the sequence listed.

1. Removal of settings initialization reset (INIT)

2. Set operation reset (RST) state and start internal clock

3. Clear operation reset (RST) state and change to normal operation (RUN)

4. Read mode vector from address 000FFFF8

H

5. Write mode vector to MODR (mode register)

6. Read reset vector from address 000FFFFC

H

7. Write reset vector in PC (program counter)

Start program execution from the address specified by PC (program counter)

Note: See explanation in “

5. Operation (Page No.253)

”.

See also other documents in the category FUJITSU Hardware: