HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 49

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Type
Operating mode
control
System control
Symbol
MD
RES
STBY
BREQ
BREQO
BACK
FWE *
EMLE *
2
to MD
1
2
0
Pin No.
FP-144G I/O
137 to 135 Input
88
90
104
102,108
103
97
97
Input
Input
Input
Output Bus request output: The external bus request
Output Bus request acknowledge: Indicates that the
Input
Input
Name and Function
versions:
MD
Note: * Modes 6 and 7 are not provided in the
Reset input: When this pin is driven low, the
chip is reset.
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 chip.
signal used when an internal bus master
accesses external space in the external bus-
released state.
bus has been released to an external bus
master.
Flash write enable: Enables/disables flash
memory programming. In the mask ROM version
and ROMless version, connect this pin to
ground.
Emulator enable: For connection to ground
(0 V).
H8S/2339 F-ZTAT, Mask ROM, and ROMless
0
1
2
Rev.4.00 Sep. 07, 2007 Page 19 of 1210
ROMless version.
MD
0
1
0
1
1
MD
1
0
1
0
1
0
1
0
Operating Mode
—
—
—
Mode 4
Mode 5
Mode 6*
Mode 7*
REJ09B0245-0400