HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 55

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Type
Operating mode
control
System control RES
Symbol
MD
MD
STBY
BREQ
BREQO
2
0
to
Pin No.
FP-100B, TFP-100B
61, 58, 57
62
64
76
74
I/O
Input
Input
Input
Input
Output Bus request output: The external bus
Rev.3.00 Mar. 26, 2007 Page 13 of 772
Name and Function
Mode pins: These pins set the
operating mode.
The relation between the settings of
pins MD
mode is shown below. These pins
should not be changed while the
H8S/2245 Group is operating.
Except for mode changing, be sure to
fix the levels of the mode pins (MD
MD
them up until the power turns off.
MD
0
1
Note: * Cannot be used in the
Reset input: When this pin is driven
low, the chip is reset. The type of
reset can be selected according to the
NMI input level. At power-on, the NMI
pin input level should be set high.
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/2245 Group.
request signal used when an internal
bus master accesses external space
in the external bus-released state.
2
0
) by pulling them down or pulling
MD
0
1
0
1
2
H8S/2240.
to MD
1
MD
0
1
0
1
0
1
0
1
0
and the operating
Section 1 Overview
0
REJ09B0355-0300
Operating
Mode
—
Mode 1
Mode 2*
Mode 3*
Mode 4
Mode 5
Mode 6*
Mode 7*
2
to