DF2370RVFQ34V Renesas Electronics America, DF2370RVFQ34V Datasheet - Page 290
![IC H8S/2370 MCUFLSH 256K 144LQFP](/photos/12/41/124197/df2370rvfq34v_sml.jpg)
DF2370RVFQ34V
Manufacturer Part Number
DF2370RVFQ34V
Description
IC H8S/2370 MCUFLSH 256K 144LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.YR0K42378FC000BA.pdf
(1208 pages)
Specifications of DF2370RVFQ34V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
34MHz
Connectivity
I²C, IrDA, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 6x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
For Use With
YLCDRSK2378 - KIT DEV EVAL H8S/2378 LCDYR0K42378FC000BA - KIT EVAL FOR H8S/2378HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2370RVFQ34V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 290 of 1208
- Download datasheet (8Mb)
Section 6 Bus Controller (BSC)
6.7.7
CAS latency is controlled by settings of the W22 to W20 bits of WTCRB. Set the CAS latency
count, as shown in table 6.10, by the setting of synchronous DRAM. Depending on the setting, the
CAS latency control cycle (T
AST2 bit of ASTCR. Figure 6.45 shows the CAS latency control timing when synchronous
DRAM of CAS latency 3 is connected.
The initial value of W22 to W20 is H'7. Set the register according to the CAS latency of
synchronous DRAM to be connected.
Table 6.10 Setting CAS Latency
W22
0
1
Rev.7.00 Mar. 18, 2009 page 222 of 1136
REJ09B0109-0700
CAS Latency Control
W21
0
1
0
1
W20
0
1
0
1
0
1
0
1
c1
Description
Connect synchronous DRAM of CAS
latency 1
Connect synchronous DRAM of CAS
latency 2
Connect synchronous DRAM of CAS
latency 3
Connect synchronous DRAM of CAS
latency 4
Reserved (must not used)
Reserved (must not used)
Reserved (must not used)
Reserved (must not used)
) is inserted. WTCRB can be set regardless of the setting of the
CAS Latency Control
Cycle Inserted
0 state
1 state
2 states
3 states
⎯
⎯
⎯
⎯
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