HD6432633 Datasheet, PDF (92/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

Type
Symbol
I/O
Operating mode MD2 to MD0 Input
control
Name and Function
Mode pins: These pins set the operating mode.
The relation between the settings of pins MD2 to MD0
and the operating mode is shown below. These pins
should not be changed while the H8S/2633 Series is
operating.
MD2 MD1 MD0 Operating Mode
0
0
0
—
1
—
1
0
—
1
—
1
0
0
Mode 4
1
Mode 5
1
0
Mode 6
1
Mode 7
System control RES
MRES
STBY
BREQ
BREQO
BACK
FWE
Input
Input
Input
Input
Output
Output
Input
Reset input: When this pin is driven low, the chip is
reset.
Manual reset: When this pin is driven low, a
transmission is made to manual reset mode.
Standby: When this pin is driven low, a transition is
made to hardware standby mode.
Bus request: Used by an external bus master to issue
a bus request to the H8S/2633 Series.
Bus request output: The external bus request signal
used when an internal bus master accesses external
space in the external bus-released state.
Bus request acknowledge: Indicates that the bus has
been released to an external bus master.
Flash write enable: Pin for flash memory use (in
planning stage).
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