HD64F3687GFPV Renesas Electronics America, HD64F3687GFPV Datasheet - Page 111

• Manufacturer Part Number: HD64F3687GFPV
• Description: IC H8 MCU FLASH 56K 64LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of HD64F3687GFPV

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 45
• Program Memory Size: 56KB (56K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 64-LQFP
• Package: 64LQFP
• Family Name: H8
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 16|32 Bit
• Number Of Programmable I/os: 45
• Interface Type: I2C/SCI
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• For Use With: R0K436079S000BE - KIT DEV FOR H8/36079 W/COMPILER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

DIVXU
Example 2: Zero-extend divisor from 8 to 16 bits and dividend from 16 to 32 bits before dividing
ZERODIV:
Instead of 16 bits ÷ 8 bits, the operation performed is 32 bits ÷ 16 bits
remainder (16 bits), and no overflow occurs. The 16-bit quotient is stored in R1 and the 8-bit
remainder in the lower 8 bits of E1. The upper 8 bits of E1 are all 0.
DIVXU (DIVide eXtend as Unsigned)
EXTU.W
BEQ
EXTU.L
EXTU.W
RTS
R0
ZERODIV
ER1
R0, ER1
ER1
ER1
Sign extension
;
;
;
;
;
Remainder
Zero-extend 8-bit divisor to 16 bits
Branch to ZERODIV if R0 = 0
Zero-extend 16-bit dividend to 32 bits
Divide using DIVXU.W
Zero-divide handling routine
R0L
R1
R0L
Sign extension
Divisor
Rev. 3.00 Dec 13, 2004 page 95 of 258
Dividend
Dividend
Quotient
Section 2 Instruction Descriptions
Divisor
quotient (16 bits) and
REJ09B0213-0300
Divide