UPD78F1211GB-GAF-AX Renesas Electronics America, UPD78F1211GB-GAF-AX Datasheet - Page 247

• Manufacturer Part Number: UPD78F1211GB-GAF-AX
• Description: MCU 16BIT 78K0R/LX3 44-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Ix3r

Specifications of UPD78F1211GB-GAF-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: 33
• 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 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Note Do not place a power supply/GND pattern under the wiring section (section indicated by a broken line in the
Remark When using the subsystem clock, replace X1 and X2 with XT1 and XT2, respectively. Also, insert
(c) The X1 and X2 signal line wires cross.
figure) of the X1 and X2 pins and the resonators in a multi-layer board or double-sided board.
Do not configure a layout that will cause capacitance elements and affect the oscillation characteristics.
resistors in series on the XT2 side.
(a) Too long wiring
V
V
Figure 5-13. Examples of Incorrect Resonator Connection (1/2)
SS
SS
X1
X1
CHAPTER 5 CLOCK GENERATOR
X2
X2
User’s Manual U19678EJ1V1UD
NG
NG
NG
(d) A power supply/GND pattern exists
under the X1 and X2 wires.
V
SS
V
(b) Crossed signal line
SS
Note
X1
Power supply/GND pattern
X1
PORT
X2
X2
245