HD64F2168VTE33 Renesas Electronics America, HD64F2168VTE33 Datasheet - Page 614

• Manufacturer Part Number: HD64F2168VTE33
• Manufacturer: Renesas Electronics America

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

16.4.4
Figure 16.6 shows the write transfer flow and figure 16.7 shows the read transfer flow in BT
mode.
Rev. 3.00, 03/04, page 572 of 830
Slave waits for the H2B_ATN bit (interrupt from
host) is set.
Confirms the CLR_WR_PTR bit.
The CRWPI bit in BTSR1 is set to notify write
pointer clearing as an interrupt to slave.
Slave sets the B_BUSY bit in BTCR.
Slave reads data from the BTDTR buffer.
Slave clears the H2B_ATN bit in BTCR.
Slave clears the B_BUSY bit in BTCR to indicate
transfer completion.
Confirms host write is started.
The HBTWI bit in BTSR0 is set.
Confirms the H2B_ATN bit is set.
The H2BI bit in BTSR1 is set.
BT Mode Transfer Flow
Slave
Figure 16.6 BT Write Transfer Flow
Write BTDTR buffer
Read BTDTR buffer
Clear write pointer
Generate slave
Generate slave
Generate slave
H2B_ATN = 1
H2B_ATN = 0
H2B_ATN = 0
B_BUSY = 0
B_BUSY = 1
B_BUSY = 0
interrupt
interrupt
interrupt
Wait for
Wait for
Host confirms the B_BUSY bit in BTCR.
Host confirms the H2B_ATN bit in BTCR.
Host clears write pointer by setting the CLR_WR_PTR
bit in BTCR.
Host writes data of 1 to n bytes to the BTDTR buffer.
Host sets the H2B_ATN bit in BTCR to indicate data write
completion to the buffer for the BT interface.
Host