UPD78F1001GB-GAF-AX Renesas Electronics America, UPD78F1001GB-GAF-AX Datasheet - Page 843
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UPD78F1001GB-GAF-AX
Manufacturer Part Number
UPD78F1001GB-GAF-AX
Description
MCU 16BIT 78K0R/KX3-L 44-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3-Lr
Datasheet
1.UPD78F1000GB-GAF-AX.pdf
(1171 pages)
Specifications of UPD78F1001GB-GAF-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1001GB-GAF-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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78K0R/Kx3-L
R01UH0106EJ0300 Rev.3.00
Oct 01, 2010
(2) Multiplication/division data register B (MDBL, MDBH)
The MDBH and MDBL registers set the values that are used for multiplication or division operation and store the
operation result. They store the operation result (product) in the multiplication mode and set the divisor data in the
division mode.
The MDBH and MDBL registers can be set by a 16-bit manipulation instruction.
Reset signal generation clears these registers to 0000H.
Cautions 1. Do not rewrite the MDBH and MDBL registers values during division operation processing
The following table shows the functions of the MDBH and MDBL registers during operation execution.
Remark
Address: FFFF4H, FFFF5H, FFFF6H, FFFF7H
Symbol
MDBH
Symbol
MDBL
DIVMODE
0
1
MDBH
MDBL
Table 16-3. Functions of MDBH and MDBL Registers During Operation Execution
DIVMODE: Bit 7 of the multiplication/division control register (MDUC)
2. Do not set the MDBH and MDBL registers to 0000H in the division mode. If they are set, the
15
15
Figure 16-3. Format of Multiplication/Division Data Register B (MDBH, MDBL)
(while the multiplication/division control register (MDUC) is 81H). The operation result will be
an undefined value.
operation result will be an undefined value.
MDBH
MDBL
14
14
Multiplication mode
Division mode
MDBH
MDBL
Operation Mode
13
13
MDBH
MDBL
12
12
FFFF7H
FFFF5H
MDBH
MDBL
11
11
MDBH
MDBL
10
10
After reset: 0000H, 0000H R/W
MDBH: Divisor (higher 16 bits)
MDBL: Dividend (lower 16 bits)
MDBH
MDBL
9
9
MDBH
MDBL
Setting
8
8
−
MDBH
MDBL
7
7
MDBH
MDBL
6
6
CHAPTER 16 MULTIPLIER/DIVIDER
MDBH
MDBL
5
5
MDBH: Multiplication result (product)
MDBL: Multiplication result (product)
MDBH
MDBL
FFFF6H
4
FFFF4H
4
Higher 16 bits
Lower 16 bits
MDBHL
Operation Result
MDBH
3
3
MDBH
MDBL
−
2
2
MDBH
MDBL
1
1
MDBH
MDBL
0
0
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