M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 52
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M37702E6BFS
Manufacturer Part Number
M37702E6BFS
Description
EPROM MCU/8BIT CMOS EMULATION CH
Manufacturer
Renesas Electronics America
Datasheet
1.M37702E6BFS.pdf
(524 pages)
Specifications of M37702E6BFS
Accessory Type
Emulator EPROM MCU
For Use With/related Products
7702
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M37702E6BFS
Manufacturer:
MITSUBISHI/三菱
Quantity:
20 000
- Current page: 52 of 524
- Download datasheet (6Mb)
CENTRAL PROCESSING UNIT (CPU)
2.5 Processor modes
Table 2.5.1 Functions of ports P0 to P4 in each processor mode
2–24
P0
P1
P2
P3
P4
Notes 1: P4
Pins
2: P4
3: This table lists a switch of pins’ functions by switching the processor mode. Refer to the following section about the input/output
4: The 7703 group does not have P3
selection. (Refer to “Chapter 12. CONNECTION WITH EXTERNAL DEVICES.”)
•“Chapter 12. CONNECTION WITH EXTERNAL DEVICES.”
•“Chapter 15. ELECTRICAL CHARACTERISTICS.”
timing of each signal:
2
2
also functions as the clock
functions as a programmable I/O port in the memory expansion mode, and that functions as the clock
Processor
modes
P: Functions as a programmable
P: Functions as a programmable
P: Functions as a programmable
P: Functions as a programmable
P: Functions as a programmable
I/O port.
I/O port.
I/O port.
I/O port.
I/O port.
1
3
Single-chip mode
output pin. (Refer to “Chapter 12. CONNECTION WITH EXTERNAL DEVICES.”)
/
HLDA
pin.
P
P
P
P
P
7702/7703 Group User’s Manual
(Note 1)
• When external data bus width is 16 bits (BYTE = “L”)
• When external data bus width is 8 bits (BYTE = “H”)
• When external data bus width is 16 bits (BYTE = “L”)
• When external data bus width is 8 bits (BYTE = “H”)
P4
3
Memory expansion/Microprocessor mode
– P4
P3
P3
P3
P3
P4
P4
P4
3
2
1
0
7
2
1
0
P: Functions as a programmable I/O port.
A
A
A
16
16
8
– A
1
– A
– A
ALE
15
A
A
23
23
D (even): Data at even address
D (odd): Data at odd address
HLDA
8
0
BHE
R/W
– A
HOLD
– A
P
RDY
15
D(even)
7
D(odd)
D
D : Data
1
output pin by software
(Note 4)
(Note 2)
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