UPD78F1174AGF-GAT-AX Renesas Electronics America, UPD78F1174AGF-GAT-AX Datasheet - Page 763
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UPD78F1174AGF-GAT-AX
Manufacturer Part Number
UPD78F1174AGF-GAT-AX
Description
MCU 16BIT 78K0R/KX3 128-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3r
Datasheet
1.UPD78F1174AGF-GAT-AX.pdf
(968 pages)
Specifications of UPD78F1174AGF-GAT-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, EBI/EMI, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
111
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1174AGF-GAT-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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27.1 BCD Correction Circuit Function
code with this circuit.
operand and then adding/ subtracting the BCDADJ register.
27.2 Registers Used by BCD Correction Circuit
Address: F00FEH
BCDADJ
The result of addition/subtraction of the BCD (binary-coded decimal) code and BCD code can be obtained as BCD
The decimal correction operation result is obtained by performing addition/subtraction having the A register as the
The BCD correction circuit uses the following registers.
• BCD correction result register (BCDADJ)
(1) BCD correction result register (BCDADJ)
Symbol
The BCDADJ register stores correction values for obtaining the add/subtract result as BCD code through
add/subtract instructions using the A register as the operand.
The value read from the BCDADJ register varies depending on the value of the A register when it is read and
those of the CY and AC flags.
BCDADJ is read by an 8-bit memory manipulation instruction.
Reset input sets this register to undefined.
7
After reset: undefined
Figure 27-1. Format of BCD Correction Result Register (BCDADJ)
CHAPTER 27 BCD CORRECTION CIRCUIT
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User’s Manual U18432EJ5V0UD
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