HD64F7047FW40V Renesas Electronics America, HD64F7047FW40V Datasheet - Page 248

• Manufacturer Part Number: HD64F7047FW40V
• Description: MCU 5V 256K I-TEMP,PB-FREE 100-Q
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7047r

Specifications of HD64F7047FW40V

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 40MHz
• Connectivity: CAN, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

10.4.4
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 counter clock upon overflow/underflow of
TCNT_2 as set in bits TPSC0 to TPSC2 in TCR.
Underflow occurs only when the lower 16-bit TCNT is in phase-counting mode.
Table 10.30 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 10.30 Cascaded Combinations
Example of Cascaded Operation Setting Procedure: Figure 10.18 shows an example of the
setting procedure for cascaded operation.
Rev. 2.00, 09/04, page 206 of 720
Combination
Channels 1 and 2
and the counters operates independently in phase counting mode.
Cascaded Operation
<Cascaded operation>
Cascaded operation
Set cascading
Start count
Figure 10.18 Cascaded Operation Setting Procedure
Upper 16 Bits
TCNT_1
[1]
[2]
[1] Set bits TPSC2 to TPSC0 in the channel 1
[2] Set the CST bit in TSTR for the upper and
TCR to B'1111 to select TCNT_2 overflow/
underflow counting.
lower channel to 1 to start the count
operation.
Lower 16 Bits
TCNT_2