R5F61662N50FPV Renesas Electronics America, R5F61662N50FPV Datasheet - Page 636
R5F61662N50FPV
Manufacturer Part Number
R5F61662N50FPV
Description
MCU 24KB FLASH 384K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R0K561622S000BE.pdf
(1070 pages)
Specifications of R5F61662N50FPV
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
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
40K 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F61662N50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 636 of 1070
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Section 16 Serial Communication Interface (SCI)
16.3.1
RSR is a shift register which is used to receive serial data input from the RxD pin and converts it
into parallel data. When one frame of data has been received, it is transferred to RDR
automatically. RSR cannot be directly accessed by the CPU.
16.3.2
RDR is an 8-bit register that stores receive data. When the SCI has received one frame of serial
data, it transfers the received serial data from RSR to RDR where it is stored. This allows RSR to
receive the next data. Since RSR and RDR function as a double buffer in this way, continuous
receive operations can be performed. After confirming that the RDRF bit in SSR is set to 1, read
RDR only once. RDR cannot be written to by the CPU.
16.3.3
TDR is an 8-bit register that stores transmit data. When the SCI detects that TSR is empty, it
transfers the transmit data written in TDR to TSR and starts transmission. The double-buffered
structures of TDR and TSR enables continuous serial transmission. If the next transmit data has
already been written to TDR when one frame of data is transmitted, the SCI transfers the written
data to TSR to continue transmission. Although TDR can be read from or written to by the CPU at
all times, to achieve reliable serial transmission, write transmit data to TDR for only once after
confirming that the TDRE bit in SSR is set to 1.
Rev. 2.00 Sep. 16, 2009 Page 606 of 1036
REJ09B0414-0200
Bit
Bit Name
Initial Value
R/W
Bit
Bit Name
Initial Value
R/W
Receive Shift Register (RSR)
Receive Data Register (RDR)
Transmit Data Register (TDR)
R/W
R
7
0
7
1
R/W
R
6
0
6
1
R/W
R
5
0
5
1
R/W
R
4
0
4
1
R/W
R
3
0
3
1
R/W
R
2
0
2
1
R/W
R
1
0
1
1
R/W
R
0
0
0
1
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