DF2377RVFQ33 Renesas Electronics America, DF2377RVFQ33 Datasheet - Page 834
DF2377RVFQ33
Manufacturer Part Number
DF2377RVFQ33
Description
IC H8S MCU FLASH 3V 384K 144LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.YR0K42378FC000BA.pdf
(1208 pages)
Specifications of DF2377RVFQ33
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
I²C, IrDA, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
97
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 16x10b; D/A 6x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 15 Serial Communication Interface (SCI, IrDA)
15.10.4 Receive Error Flags and Transmit Operations (Clocked Synchronous Mode Only)
Transmission cannot be started when a receive error flag (ORER, PER, or FER) is set to 1, even if
the TDRE flag is cleared to 0. Be sure to clear the receive error flags to 0 before starting
transmission. Note also that receive error flags cannot be cleared to 0 even if the RE bit is cleared
to 0.
15.10.5 Relation between Writes to TDR and the TDRE Flag
The TDRE flag in SSR is a status flag that indicates that transmit data has been transferred from
TDR to TSR. When the SCI transfers data from TDR to TSR, the TDRE flag is set to 1.
Data can be written to TDR regardless of the state of the TDRE flag. However, if new data is
written to TDR when the TDRE flag is cleared to 0, the data stored in TDR will be lost since it has
not yet been transferred to TSR. It is therefore essential to check that the TDRE flag is set to 1
before writing transmit data to TDR.
15.10.6 Restrictions on Use of DMAC or DTC
• When an external clock source is used as the serial clock, the transmit clock should not be
• When RDR is read by the DMAC or DTC, be sure to set the activation source to the relevant
Rev.7.00 Mar. 18, 2009 page 766 of 1136
REJ09B0109-0700
input until at least 5 φ clock cycles after TDR is updated by the DMAC or DTC. Misoperation
may occur if the transmit clock is input within 4 φ clocks after TDR is updated. (Figure 15.35)
SCI receive-data-full interrupt (RXI).
SCK
TDRE
Serial data
Note: When operating on an external clock, set t > 4 clocks.
Figure 15.35 Example of Synchronous Transmission Using DTC
t
LSB
D0
D1
D2
D3
D4
D5
D6
D7
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