UPD78F1174AGF-GAT-AX Renesas Electronics America, UPD78F1174AGF-GAT-AX Datasheet - Page 409
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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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12.4 Operation of D/A Converter
12.4.1 Operation in normal mode
described below.
D/A conversion is performed using write operation to the DACSn register as the trigger. The setting method is
<1> Set the DAMDn bit of the DAM register to 0 (normal mode).
<2> Set the analog voltage value to be output to the ANOn pin to the DACSn register.
<3> Set the DACEn bit of the DAM register to 1 (D/A conversion enable).
<4> To perform subsequent D/A conversions, write to the DACSn register.
Caution Make the interval for writing DACSn of the same channel by one clock longer than f
Remarks 1. n = 0, 1
Steps <1> and <2> above constitute the initial settings.
D/A conversion starts and the analog voltage set in <2> is output to the ANOn pin when this setting is
performed.
The output level, however, is determined when the settling time elapses after D/A conversion starts.
D/A conversion starts and an analog voltage is output to the ANOn pin when one f
write operation. The output level, however, is determined when the settling time elapses after D/A conversion
starts.
The previous D/A conversion result is held until the next D/A conversion is performed.
When the DACEn bit of the DAM register is set to 0 (D/A conversion operation stop), analog voltage output is
stopped, and the P110/ANO0 and P111/ANO1 pins can be used in port mode. At this time, the P110/ANO0
and P111/ANO1 pins are at high impedance because the PM11n bit of the PM11 register is 1 (input mode).
The set value of the P11 register is output by setting the PM11n bit to 0 (output mode).
is successively performed, only the value written last will be converted.
2. f
CLK
: CPU/peripheral hardware clock
CHAPTER 12 D/A CONVERTER
User’s Manual U18432EJ5V0UD
CLK
clock elapses after the
CLK
. If writing
407
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