R5F61662N50FPV Renesas Electronics America, R5F61662N50FPV Datasheet - Page 522

• Manufacturer Part Number: R5F61662N50FPV
• Description: MCU 24KB FLASH 384K 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

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: -

Section 12 16-Bit Timer Pulse Unit (TPU)
12.4.4
In cascaded operation, two 16-bit counters for different channels are used together as a 32-bit
counter.
This function works by counting the channel 1 (channel 4) counter clock at overflow/underflow of
TCNT_2 (TCNT_5) as set in bits TPSC2 to TPSC0 in TCR.
Underflow occurs only when the lower 16-bit TCNT is in phase-counting mode.
Table 12.30 shows the register combinations used in cascaded operation.
Note: When phase counting mode is set for channel 1 or 4, the counter clock setting is invalid
Table 12.30 Cascaded Combinations
(1)
Figure 12.17 shows an example of the setting procedure for cascaded operation.
Rev. 2.00 Sep. 16, 2009 Page 492 of 1036
REJ09B0414-0200
Combination
Channels 1 and 2
Channels 4 and 5
Example of Cascaded Operation Setting Procedure
and the counter operates independently in phase counting mode.
Cascaded Operation
Figure 12.17 Example of Cascaded Operation Setting Procedure
<Cascaded operation>
Cascaded operation
Set cascading
Start count
Upper 16 Bits
TCNT_1
TCNT_4
[1]
[2]
[1]
[2]
Set bits TPSC2 to TPSC0 in the channel 1
(channel 4) TCR to B'1111 to select TCNT_2
(TCNT_5) overflow/underflow counting.
Set the CST bit in TSTR for the upper and lower
channels to 1 to start the count operation.
Lower 16 Bits
TCNT_2
TCNT_5