HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 198
HD6433044
Manufacturer Part Number
HD6433044
Description
(HD64 Series) Hitachi Single-Chip Microcomputer
Manufacturer
Hitachi Semiconductor
Datasheet
1.HD6433044.pdf
(867 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HD6433044A00FV
Manufacturer:
HITACHI/日立
Quantity:
20 000
Company:
Part Number:
HD6433044F16
Manufacturer:
HITACHI
Quantity:
5 530
Company:
Part Number:
HD6433044F16
Manufacturer:
IDT
Quantity:
3 198
Company:
Part Number:
HD6433044F16
Manufacturer:
HITACHI
Quantity:
648
Part Number:
HD6433044F16A00
Manufacturer:
HITACHI/日立
Quantity:
20 000
Company:
Part Number:
HD6433044F18
Manufacturer:
HITACHI
Quantity:
5 530
Part Number:
HD6433044F18
Manufacturer:
HITACHI/日立
Quantity:
20 000
Company:
Part Number:
HD6433044F18M08
Manufacturer:
TI
Quantity:
403
Part Number:
HD6433044F18M08
Manufacturer:
HITACHI/日立
Quantity:
20 000
- Current page: 198 of 867
- Download datasheet (3Mb)
•
•
ø
BREQ
BACK
Address bus
Strobe
If a bus cycle is prolonged by insertion of wait states, the first refresh request is held, as in the
bus-released state.
If there is contention with a bus request from an external bus master when making a transition
to software standby mode, a one-state bus-released state may occur immediately before the
transition to software standby mode (see figure 7-25).
When using software standby mode, clear the BRLE bit to 0 in BRCR before executing the
SLEEP instruction.
When making a transition to self-refresh mode, the strobe waveform output may not be
guaranteed due to the same kind of contention. This, too, can be prevented by clearing the
BRLE bit to 0 in BRCR.
ø
RFSH
Refresh
request
BACK
Figure 7-25 Contention between Bus-Released State and Software Standby Mode
Bus-released state
Figure 7-24 Refresh Cycles when Bus is Released
External bus
released state
Refresh cycle
184
Software standby mode
CPU cycle
Refresh cycle
Related parts for HD6433044
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
HM628128LFP-10Hitachi Semiconductor [131072-word x 8-bit High Speed CMOS Static RAM]
Manufacturer:
HITACHI
Datasheet:
Part Number:
Description:
Silicon N-Channel Junction FET
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N-Channel Junction FET
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
GaAs HEMT
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N Channel MOS FET High Speed Power Switching
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N Channel MOS FET High Speed Power Switching
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N Channel MOS FET Low Frequency Power Switching
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N Channel MOS FET High Speed Switching
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N Channel MOS FET High Speed Switching
Manufacturer:
Hitachi Semiconductor
Datasheet: