R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 945
R5F61668MZN50FPV
Manufacturer Part Number
R5F61668MZN50FPV
Description
MCU FLASH 1024K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668MZN50FPV.pdf
(1416 pages)
Specifications of R5F61668MZN50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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19.9
19.9.1
Operation of the SCI can be disabled or enabled using the module stop control register. The initial
setting is for operation of the SCI to be halted. Register access is enabled by clearing the module
stop state. For details, see section 28, Power-Down Modes.
19.9.2
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 0s, and so the FER flag is set, and the
PER flag may also be set. Note that, since the SCI continues the receive operation even after
receiving a break, even if the FER flag is cleared to 0, it will be set to 1 again.
19.9.3
When the TE bit is 0, the TxD pin is used as an I/O port whose direction (input or output) and
level are determined by DR and DDR. This can be used to set the TxD pin to mark state (high
level) or send a break during serial data transmission. To maintain the communication line in mark
state (the state of 1) until TE is set to 1, set both DDR and DR to 1. Since the TE bit is cleared to 0
at this point, the TxD pin becomes an I/O port, and 1 is output from the TxD pin. To send a break
during serial transmission, first set DDR to 1 and DR to 0, and then clear the TE bit to 0. When the
TE bit is cleared to 0, the transmitter is initialized regardless of the current transmission state, the
TxD pin becomes an I/O port, and 0 is output from the TxD pin.
19.9.4
Transmission cannot be started when a receive error flag (ORER, FER, or RER) 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 the receive error flags cannot be cleared to 0 even if the RE bit is
cleared to 0.
Usage Notes
Module Stop Function Setting
Break Detection and Processing
Mark State and Break Detection
Receive Error Flags and Transmit Operations (Clocked Synchronous Mode Only)
Section 19 Serial Communication Interface (SCI, CRC)
Rev. 1.00 Jan. 29, 2010 Page 913 of 1380
REJ09B0596-0100
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