HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 56

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 1 Overview
Type
Operating mode
control
System control
Rev.6.00 Sep. 27, 2007 Page 26 of 1268
REJ09B0220-0600
Symbol
MD
MD
RES
STBY
BREQ
BREQO
BACK
2
0
to
TFP-120
115 to
113
73
75
88
86, 92
87
Pin No.
FP-128B I/O
125 to
123
81
83
96
94, 102
95
Input
Input
Input
Input
Output Bus request output: The external
Output Bus request acknowledge:
Name and Function
Mask ROM and ROMless versions,
H8S/2329B F-ZTAT:
MD
0
1
Notes: 1. Applies to the H8S/2329B
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.
bus request signal used when an
internal bus master accesses external
space in the external bus-released
state.
Indicates that the bus has been
released to an external bus master.
2
2. The ROMless versions can
MD
0
1
0
1
F-ZTAT only.
use only modes 4 and 5.
1
MD
1
0
1
0
1
0
1
0
Operating
Mode
—
Mode 2 *
Mode 3 *
Mode 4 *
Mode 5 *
Mode 6
Mode 7
1
1
2
2