HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 952

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

Section 21 Power-Down Modes
Bit 6
STS2
0
1
Note: * Not available in the F-ZTAT versions.
Bit 3—Output Port Enable (OPE): Specifies whether the output of the address bus and bus
control signals (CS0 to CS7, AS, RD, HWR, LWR, CAS) is retained or set to the high-impedance
state in software standby mode.
Bit 3
OPE
0
1
Bits 2 and 1—Reserved: These bits cannot be modified and are always read as 0.
Bit 0—IRQ37 Software Standby Clear Select (IRQ37S): Specifies whether inputs IRQ3 to
IRQ7 can be used as software standby mode clearing sources in addition to the usual sources, NMI
and IRQ0 to IRQ2 inputs.
Bit 0
IRQ37S
0
1
Rev.6.00 Sep. 27, 2007 Page 922 of 1268
REJ09B0220-0600
Bit 5
STS1
0
1
0
1
Description
In software standby mode, address bus and bus control signals are high-impedance
In software standby mode, address bus and bus control signals retain output state
Description
Inputs IRQ3 to IRQ7 cannot be used as software standby mode clearing sources
Inputs IRQ3 to IRQ7 can be used as software standby mode clearing sources
Bit 4
STS0
0
1
0
1
0
1
0
1
Description
Standby time = 8192 states
Standby time = 16384 states
Standby time = 32768 states
Standby time = 65536 states
Standby time = 131072 states
Standby time = 262144 states
Reserved
Standby time = 16 states *
(Initial value)
(Initial value)
(Initial value)