UPD78F1201MC-CAB-AX Renesas Electronics America, UPD78F1201MC-CAB-AX Datasheet - Page 842
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UPD78F1201MC-CAB-AX
Manufacturer Part Number
UPD78F1201MC-CAB-AX
Description
MCU 16BIT 78K0R/LX3 30-SSOP
Manufacturer
Renesas Electronics America
Series
78K0R/Ix3r
Datasheet
1.UPD78F1201MC-CAB-AX.pdf
(1067 pages)
Specifications of UPD78F1201MC-CAB-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
40MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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(2) Multiplication/division data register B (MDBL, MDBH)
Address: FFFF6H, FFFF7H, FFFF4H, FFFF5H
Symbol
MDBH
Symbol
MDBL
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.
MDBH and MDBL 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 values during division operation processing (while
The following table shows the functions of MDBH and MDBL during operation execution.
Remark
DIVMODE
0
1
MDBH
MDBL
15
15
Figure 15-3. Format of Multiplication/Division Data Register B (MDBH, MDBL)
DIVMODE: Bit 7 of the multiplication/division control register (MDUC)
2. Do not set MDBH and MDBL to 0000H in the division mode. If they are set, the operation
MDBH
MDBL
Table 15-3. Functions of MDBH and MDBL During Operation Execution
the multiplication/division control register (MDUC) is 81H). The operation result will be an
undefined value.
result will be an undefined value.
14
14
Multiplication mode
Division mode
MDBH
MDBL
13
13
Operation Mode
MDBH
MDBL
12
12
FFFF5H
FFFF7H
MDBH
MDBL
CHAPTER 15 MULTIPLIER/DIVIDER
11
11
MDBH
User’s Manual U19678EJ1V1UD
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
8
8
Setting
MDBH
−
MDBL
7
7
MDBH
MDBL
6
6
MDBH
MDBL
5
5
MDBH: Multiplication result (product)
MDBL: Multiplication result (product)
MDBH
MDBL
FFFF4H
4
FFFF6H
4
MDBHL
MDBH
Higher 16 bits
Lower 16 bits
Operation Result
3
3
MDBH
MDBL
2
2
−
MDBH
MDBL
1
1
MDBH
MDBL
0
0
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