DF2367VF33V Renesas Electronics America, DF2367VF33V Datasheet - Page 239
DF2367VF33V
Manufacturer Part Number
DF2367VF33V
Description
IC H8S/2367 MCU FLASH 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.DF2368VTE34V.pdf
(1044 pages)
Specifications of DF2367VF33V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
I²C, IrDA, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
84
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
For Use With
YR0K42378FC000BA - KIT EVAL FOR H8S/2378HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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The bus cycle can also be extended in burst access by inserting wait states. The wait state insertion
method and timing are the same as for full access. For details see section 6.6.9, Wait Control.
RAS Down Mode and RAS Up Mode: Even when burst operation is selected, it may happen that
access to DRAM space is not continuous, but is interrupted by access to another space. In this
case, if the RAS signal is held low during the access to the other space, burst operation can be
resumed when the same row address in DRAM space is accessed again.
• RAS Down Mode
Note: n = 2, 3
Read
Write
To select RAS down mode, set both the RCDM bit and the BE bit to 1 in DRAMCR. If access
to DRAM space is interrupted and another space is accessed, the RAS signal is held low
during the access to the other space, and burst access is performed when the row address of the
next DRAM space access is the same as the row address of the previous DRAM space access.
Figure 6.31 shows an example of the timing in RAS down mode.
Note, however, that the RAS signal will go high if:
⎯ a refresh operation is initiated in the RAS down state
⎯ self-refreshing is performed
φ
Address bus
RASn (CSn)
UCAS, LCAS
WE (HWR)
OE (RD)
Data bus
WE (HWR)
OE (RD)
Data bus
Figure 6.30 Operation Timing in Fast Page Mode
T
Row address
p
T
r
(RAST = 0, CAST = 1)
High
High
T
c1
Column address 1
T
c2
Rev.6.00 Mar. 18, 2009 Page 179 of 980
T
c3
Section 6 Bus Controller (BSC)
T
c1
Column address 2
REJ09B0050-0600
T
c2
T
c3
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