UPD78F1506GF-GAT-AX Renesas Electronics America, UPD78F1506GF-GAT-AX Datasheet - Page 66

• Manufacturer Part Number: UPD78F1506GF-GAT-AX
• Description: MCU 16BIT 78K0R/LX3 128-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Lx3r

Specifications of UPD78F1506GF-GAT-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LCD, LVD, POR, PWM, WDT
• Number Of I /o: 78
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

78K0R/Lx3
2.2.20 V
2.2.21 RESET
2.2.22 REGC
to V
2.2.23 FLMD0
R01UH0004EJ0401 Rev.4.01
Jul 2, 2010
V
AV
This is the active-low system reset input pin.
When the external reset pin is not used, connect this pin directly to EV
When the external reset pin is used, design the circuit based on V
This is the pin for connecting regulator output (2.4 V) stabilization capacitance for internal operation. Connect this pin
Also, use a capacitor with good characteristics, since it is used to stabilize internal voltage.
Caution Keep the wiring length as short as possible for the broken-line part in the above figure.
This is a pin for setting flash memory programming mode.
Perform either of the following processing.
SS
REFOUT
(a) In normal operation mode
(b) In self programming mode
(c) In flash memory programming mode
REFP
via a capacitor (0.47 to 1
REFOUT
It is recommended to leave this pin open during normal operation.
The FLMD0 pin must always be kept at the V
externally because it is internally pulled down by reset. However, pulling it down must be kept selected (i.e.,
FLMDPUP = “0”, default value) by using bit 7 (FLMDPUP) of the background event control register (BECTL) (see
27.5 (1) Back ground event control register). To pull it down externally, use a resistor of 200 kΩ or smaller.
Self programming and the rewriting of flash memory with the programmer can be prohibited using hardware, by
directly connecting this pin to the V
It is recommended to leave this pin open when using the self programming function. To pull it down externally,
use a resistor of 100 kΩ to 200 kΩ.
In the self programming mode, the setting is switched to pull up in the self programming library.
Directly connect this pin to a flash memory programmer when data is written by the flash memory programmer.
This supplies a writing voltage of the V
The FLMD0 pin does not have to be pulled down externally because it is internally pulled down by reset. To pull
it down externally, use a resistor of 1 kΩ to 200 kΩ.
is an analog reference voltage output pin for voltage reference.
is the pin that inputs the positive reference voltage of the A/D converter and D/A converter.
/AV
REFP
μ
F).
SS
pin.
DD
level to the FLMD0 pin.
SS
level before reset release but does not have to be pulled down
REGC
V
SS
DD
.
DD
or via a resistor.
CHAPTER 2 PIN FUNCTIONS
66