HD64F36077GHV Renesas Electronics America, HD64F36077GHV Datasheet - Page 278

• Manufacturer Part Number: HD64F36077GHV
• Description: 16BIT MCU FLASH 56K, SMD, LQFP64
• Manufacturer: Renesas Electronics America

Specifications of HD64F36077GHV

• No. Of I/o's: 47
• Ram Memory Size: 4KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• Digital Ic Case Style: LQFP
• Supply Voltage Range: 4.5V
• Core Size: 16bit
• Program Memory Size: 56KB
• Oscillator Type: External Only
• Controller Family/series: H8/300H
• Peripherals: ADC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Section 13 Timer Z
6. Examples of Buffer Operation
Rev. 1.00 Sep. 16, 2005 Page 248 of 490
REJ09B0216-0100
Figure 13.38 shows an operation example in which GRA has been designated as an output
compare register, and buffer operation has been designated for GRA and GRC.
This is an example of TCNT operating as a periodic counter cleared by compare match B.
Pins FTIOA and FTIOB are set for toggle output by compare match A and B.
As buffer operation has been set, when compare match A occurs, the FTIOA pin performs
toggle outputs and the value in buffer register is simultaneously transferred to the general
register. This operation is repeated each time that compare match A occurs.
The timing to transfer data is shown in figure 13.39.
GRB
H'0250
H'0200
H'0100
H'0000
GRC
GRA
FTIOB
FTIOA
TCNT value
H'0200
H'0250
(Buffer Operation for Output Compare Register)
Figure 13.38 Example of Buffer Operation (1)
H'0100
H'0200
Counter is cleared by GBR compare match
Compare match A
H'0100
H'0200
H'0200
Time