UPD78F0078GK-9ET-A Renesas Electronics America, UPD78F0078GK-9ET-A Datasheet - Page 422

• Manufacturer Part Number: UPD78F0078GK-9ET-A
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0078GK-9ET-A

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Remark The value in ( ) is not actually output. This pin can be used as a port pin.
(2) Memory expansion wait setting register (MM)
420
External Expansion Mode
256-byte expansion mode
4 KB expansion mode
16 KB expansion mode
Full-address mode
Address: FFF8H After reset: 10H R/W
Symbol
MM
Note When the CPU accesses the external memory expansion area, the lower bits of the address to be accessed
MM sets the number of waits.
MM is set by a 1-bit or 8-bit memory manipulation instruction.
RESET input sets MM to 10H.
are output to the specified pins (except in the full-address mode).
Cautions 1.
PW1
Figure 20-3. Pins Specified for Address (with PD780076 and 780076Y)
Figure 20-4. Format of Memory Expansion Wait Setting Register (MM)
7
0
0
0
1
1
2.
Address Accessed
CHAPTER 20 EXTERNAL DEVICE EXPANSION FUNCTION
C000H
C001H
C055H
C0FEH
C0FFH
C000H
C001H
C100H
CFFFH
C000H
D000H
E000H
F000H
F3FFH
C000H
C001H
F3FFH
PW0
When wait is not controlled by the external wait pin, the WAIT/P66 pin can be
To control wait by the external wait pin, be sure to set the WAIT/P66 pin to input
mode (set bit 6 (PM66) of port mode register 6 (PM6) to 1).
used as an I/O port pin.
by CPU
6
0
0
1
0
1
No wait
Wait (one wait state inserted)
Setting prohibited
Wait control by external wait pin
PW1
5
User’s Manual U14260EJ4V0UD
A15 A14 A13 A12 A11 A10 A9 A8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0
(1) (1) (0) (0) (0) (0) (0) (0)
(1) (1) (0) (0) (0) (0) (0) (0)
(1) (1) (0) (0) (0) (0) (0) (0)
(1) (1) (0) (0) (0) (0) (0) (0)
(1) (1) (0) (0) (0) (0) (0) (0)
(1) (1) (0) (0)
(1) (1) (0) (0)
(1) (1) (0) (0)
(1) (1) (0) (0)
(1) (1)
(1) (1)
(1) (1)
(1) (1)
(1) (1)
1
1
1
1
1
1
PW0
0
0
1
1
1
0
0
1
4
0
1
0
1
1
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0
3
0
Pins Specified for Address
0
0
0
1
0
0
0
0
0
0
0
0
Wait control
0
0
0
1
0
0
0
0
1
0
0
1
0
0
1
1
0
0
0
0
1
0
0
1
2
0
0
0
0
1
1
0
0
0
1
0
0
0
0
1
0
0
1
0
0
1
1
1
0
0
0
1
0
0
0
0
1
0
0
1
0
0
0
1
1
0
0
0
1
0
0
0
0
1
0
0
1
1
0
0
0
1
1
1
0
0
0
1
0
0
0
0
1
0
0
1
0
0
0
1
1
0
0
0
1
0
0
0
0
1
0
0
1
0
0
0
0
1
1
1
0
0
0
1
0
0
0
0
1
0
0
1
0
0
0
1
1
0
0
0
1
0
0
0
0
1
0
0
1
0
1
1
0
1
0
1
0
1
0
0
0
0
1
0
1
1