M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 51
M30622MA-XXXFP
Manufacturer Part Number
M30622MA-XXXFP
Description
16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.M30622MA-XXXFP.pdf
(621 pages)
- Current page: 51 of 621
- Download datasheet (9Mb)
Bus Control
36
Table 1.12.3. Operation of RD, WRL, and WRH signals
Table 1.12.4. Operation of RD, WR, and BHE signals
Figure 1.12.2. ALE signal and address/data bus
(3) Read/write signals
(4) ALE signal
Data bus width
Data bus width
(BYTE = “H”)
(BYTE = “L”)
With a 16-bit data bus (BYTE pin =“L”), bit 2 of the processor mode register 0 (address 0004
combinations of RD, BHE, and WR signals or RD, WRL, and WRH signals. With an 8-bit data bus (BYTE
pin = “H”), use the combination of RD, WR, and BHE signals. (Set bit 2 of the processor mode register 0
(address 0004
After a reset has been cancelled, the combination of RD, WR, and BHE signals is automatically selected.
When switching to the RD, WRL, and WRH combination, do not write to external memory until bit 2 of the
processor mode register 0 (address 0004
Note: Before attempting to change the contents of the processor mode register 0, set bit 1 of the protect
(BYTE = “L”)
The ALE signal latches the address when accessing the multiplex bus space. Latch the address when the
ALE signal falls.
D
0
/A
16-bit
8-bit
16-bit
0
A
to D
8
register (address 000A
When BYTE pin = “H”
to A
ALE
7
/A
19
7
16
_____ ________
) to “0”.) Tables 1.12.3 and 1.12.4 show the operation of these signals.
RD
H
H
H
H
L
L
L
L
Address
Note 1: Floating when reading.
Note 2: When multiplexed bus for the entire space is selected, these are I/O ports.
RD
H
H
H
L
_____ _________
Address (Note 2)
_____
_____
WR
16
H
H
H
H
L
L
L
L
______
________
______
WRL
) to “1”.
Data (Note 1)
H
H
L
L
_____
_________
Not used
Not used
______
________
BHE
_________
H
H
L
L
L
L
16
WRH
) has been set (Note).
H
H
L
L
_____
_______
________
H / L
H / L
_____
A0
D
Read data
Write 1 byte of data to odd address
Write data to both even and odd addresses
Write 1 byte of data to even address
H
H
L
L
L
L
0
/A
1
______
A
to D
9
When BYTE pin = “L”
to A
Write 1 byte of data to odd address
Read 1 byte of data from odd address
Read 1 byte of data from even address
Read data from both even and odd addresses
Write 1 byte of data
Read 1 byte of data
_________
Write 1 byte of data to even address
Write data to both even and odd addresses
ALE
7
/A
A
19
0
8
Status of external data bus
________
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Status of external data bus
Address
Address
Address
Data (Note 1)
Mitsubishi microcomputers
M16C / 62 Group
16
) select the
Related parts for M30622MA-XXXFP
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Manufacturer:
Mitsubishi
Datasheet:
Part Number:
Description:
Renesas Technology Corp [Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series]
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer Renesas H8S Family/H8S/2100 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet: