UPD78F1174AGF-GAT-AX Renesas Electronics America, UPD78F1174AGF-GAT-AX Datasheet - Page 404

• Manufacturer Part Number: UPD78F1174AGF-GAT-AX
• Description: MCU 16BIT 78K0R/KX3 128-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Kx3r

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: -

12.1 Function of D/A Converter
configured so that output analog signals of two channels (ANO0 and ANO1) can be controlled. The D/A converter has
the following features.
12.2 Configuration of D/A Converter
402
The D/A converter has a resolution of 8 bits and converts an input digital signal into an analog signal. It is
The configuration of the D/A converter is shown below.
Remarks 1. INTTM04 and INTTM05 are timer trigger signals (interrupt signals from timer channels 4 and 5) that
Remark n = 0, 1
8-bit resolution × 2 channels
R-2R ladder method
Output analog voltage: AV
register)
Operation mode: Normal mode/real-time output mode
2. Channel 0 and channel 1 of the D/A converter share the AV
3. Channel 0 and channel 1 of the D/A converter share the AV
Write signal of DACS0 register
Write signal of DACS1 register
are used in the real-time output mode.
the A/D converter.
DAMD0 of DAM register
DAMD1 of DAM register
AV
INTTM04 signal
INTTM05 signal
AV
REF1
SS
pin
pin
REF1
Figure 12-1. Block Diagram of D/A Converter
× m/256 (AV
CHAPTER 12 D/A CONVERTER
User’s Manual U18432EJ5V0UD
DACE0 of DAM register
DACE1 of DAM register
REF1
: Reference voltage for D/A converter, m: Value set to DACSn
8-bit D/A conversion value
8-bit D/A conversion value
setting register 0 (DACS0)
setting register 1 (DACS1)
Selector
Selector
REF1
SS
pin. The AV
pin.
ANO0/P110 pin
ANO1/P111 pin
SS
pin is also shared with