FUJITSU MB91F109 FR30 - Manual (Page 414)

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APPENDIX C Pin Status for Each CPU Status
Table C-4 Pin Status in 8-bit External Bus Mode
Pin name Function During sleep During stop Bus release
(BGRNT)
Reset time
HIZX=0 HIZX=1
P20 to P27 Port Previous status
retained Previous status
retained Output Hi-Z/
Input fixed to 0 Previous
status
retained
- D24-31 Output Hi-Z/
Input fixed to 0 Output Hi-Z/
Input fixed to 0 Output Hi-Z
- A00-15 Output retained
(Address
output) Output retained
(Address
output) FF
H
output
P60 to P67 A16-23 P: Previous
status retained
F: Address
output P: Previous
status retained
F: Address
output
- A24,
EOP0 Previous status
retained Previous status
retained
P80 RDY P: Previous
status retained
F: RDY input P, F: Previous
status retained P: Previous
status
retained
F: RDY input
P81 BGRNTX P: Previous
status retained
F: H output P, F: Previous
status retained L output
P82 BRQ P: Previous
status retained
F: BRQ input P, F: Previous
status retained BRQ input
- RDX Previous status
retained Previous status
retained H output
- WR0X
P85 Port Previous status
retained Previous status
retained Previous
status
retained
CS0X Previous status
retained H output L output
PA1 to
PA2 CS1X-
CS2X P: Previous
status retained
F: CS output P: Same as left
F: H output H output
PA3 CS3X,
EOP1 P: Previous
status retained
F: CS/EOP
output P: Same as left
F: H output/
Previous status
retained
PA4 to
PA5 CS4X-
CS5X P: Previous
status retained
F: CS output P: Same as left
F: H output