HD64F3664H Renesas Electronics America, HD64F3664H Datasheet - Page 260
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HD64F3664H
Manufacturer Part Number
HD64F3664H
Description
IC H8 MCU FLASH 32K 64QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.US3664-BAG1.pdf
(446 pages)
Specifications of HD64F3664H
Core Processor
H8/300H
Core Size
16-Bit
Speed
16MHz
Connectivity
I²C, SCI
Peripherals
PWM, WDT
Number Of I /o
29
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 14 Serial Communication Interface 3 (SCI3)
14.7
The SCI3 creates the following six interrupt requests: transmission end, transmit data empty,
receive data full, and receive errors (overrun error, framing error, and parity error). Table 14.6
shows the interrupt sources.
Table 14.6 SCI3 Interrupt Requests
The initial value of the TDRE flag in SSR is 1. Thus, when the TIE bit in SCR3 is set to 1 before
transferring the transmit data to TDR, a TXI interrupt request is generated even if the transmit data
is not ready. The initial value of the TEND flag in SSR is 1. Thus, when the TEIE bit in SCR3 is
set to 1 before transferring the transmit data to TDR, a TEI interrupt request is generated even if
the transmit data has not been sent. It is possible to make use of the most of these interrupt
requests efficiently by transferring the transmit data to TDR in the interrupt routine. To prevent
the generation of these interrupt requests (TXI and TEI), set the enable bits (TIE and TEIE) that
correspond to these interrupt requests to 1, after transferring the transmit data to TDR.
14.8
14.8.1
When framing error detection is performed, a break can be detected by reading the RxD pin value
directly. In a break, the input from the RxD pin becomes all 0, setting the FER flag, and possibly
the PER flag. Note that as the SCI3 continues the receive operation after receiving a break, even if
the FER flag is cleared to 0, it will be set to 1 again.
Rev. 6.00 Mar. 24, 2006 Page 230 of 412
REJ09B0142-0600
Interrupt Requests
Receive Data Full
Transmit Data Empty
Transmission End
Receive Error
Interrupts
Usage Notes
Break Detection and Processing
Abbreviation
RXI
TXI
TEI
ERI
Interrupt Sources
Setting RDRF in SSR
Setting TDRE in SSR
Setting TEND in SSR
Setting OER, FER, and PER in SSR
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