HD64F2168VTE33 Renesas Electronics America, HD64F2168VTE33 Datasheet - Page 398
HD64F2168VTE33
Manufacturer Part Number
HD64F2168VTE33
Description
Manufacturer
Renesas Electronics America
Datasheet
1.HD64F2168VTE33.pdf
(876 pages)
Specifications of HD64F2168VTE33
Cpu Family
H8S
Device Core Size
16/32Bit
Frequency (max)
33MHz
Interface Type
I2C/IrDA/SCI
Program Memory Type
Flash
Program Memory Size
256KB
Total Internal Ram Size
40KB
# I/os (max)
106
Number Of Timers - General Purpose
5
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
On-chip Adc
8-chx10-bit
On-chip Dac
2-chx8-bit
Instruction Set Architecture
CISC
Operating Temp Range
-20C to 75C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
144
Package Type
TQFP
Lead Free Status / Rohs Status
Not Compliant
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14.3
The SCI has the following registers for each channel. Some bits in the serial mode register (SMR),
serial status register (SSR), and serial control register (SCR) have different functions in different
modesnormal serial communication interface mode and smart card interface mode; therefore,
the bits are described separately for each mode in the corresponding register sections. . The SCI
registers are allocated to the same address. Selecting register is carried out by means of the IICE
bit in the serial timer control register (STCR).
• Receive shift register (RSR)
• Receive data register (RDR)
• Transmit data register (TDR)
• Transmit shift register (TSR)
• Serial mode register (SMR)
• Serial control register (SCR)
• Serial status register (SSR)
• Smart card mode register (SCMR)
• Bit rate register (BRR)
• Serial interface control register (SCICR)*
• Serial enhanced mode register (SEMR)*
Notes: 1. SCICR is not available in SCI_0 or SCI_2.
14.3.1
RSR is a shift register used to receive serial data that 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.
14.3.2
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. After this, RSR can
receive the next data. Since RSR and RDR function as a double buffer in this way, continuous
receive operations be performed. After confirming that the RDRF bit in SSR is set to 1, read RDR
for only once. RDR cannot be written to by the CPU.
Rev. 3.00, 03/04, page 356 of 830
2. SEMR is not available in SCI_1.
Register Descriptions
Receive Shift Register (RSR)
Receive Data Register (RDR)
2
1
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