UPD78F1144AGB-GAH-AX Renesas Electronics America, UPD78F1144AGB-GAH-AX Datasheet - Page 680

• Manufacturer Part Number: UPD78F1144AGB-GAH-AX
• Description: MCU 16BIT 78K0R/KX3 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Kx3r

Specifications of UPD78F1144AGB-GAH-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 50
• 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 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

24.1 Connecting QB-MINI2 to 78K0R/KE3
machine via an on-chip debug emulator (QB-MINI2).
serial communication For flash memory programming, 1-line mode is used. 1-line mode or 2-line mode is used for on-
chip debugging. Table 24-1 lists the differences between 1-line mode and 2-line mode.
678
The 78K0R/KE3 uses the V
Caution The 78K0R/KE3 has an on-chip debug function, which is provided for development and
Notes 1. Connection is not required for communication in 1-line mode but required for communication in 2-line
Caution When communicating in 2-line mode, a clock with a frequency of half that of the CPU clock
Remark The FLMD0 pin is recommended to be open for self-programming in on-chip debugging. To pull down
1-line mode (single line UART) using the TOOL0 pin or 2-line mode using the TOOL0 and TOOL1 pins is used for
2. Connecting the dotted line is not necessary since RXD and TXD are shorted within QB-MIN2. When
externally, use a resistor of 100 kΩ or more.
evaluation. Do not use the on-chip debug function in products designated for mass production,
because the guaranteed number of rewritable times of the flash memory may be exceeded when
this function is used, and product reliability therefore cannot be guaranteed. NEC Electronics is
not liable for problems occurring when the on-chip debug function is used.
frequency is output from the TOOL1 pin.
countermeasure against fluctuation of the power supply caused by that clock.
using the other flash memory programmer, RXD and TXD may not be shorted within the programmer. In
this case, they must be shorted on the target system.
mode. At this time, perform necessary connections according to Table 2-2 Connection of Unused Pins
since TOOL1 is an unused pin when QB-MINI2 is unconnected.
QB-MINI2 target connector
RESET_OUT
Figure 24-1. Connection Example of QB-MINI2 and 78K0R/KE3
RESET_IN
RXD
TXD
CLK_IN
FLMD0
DD
CHAPTER 24 ON-CHIP DEBUG FUNCTION
Note 2
Note 2
GND
, FLMD0, RESET, TOOL0, TOOL1
V
DD
User’s Manual U17854EJ9V0UD
Target reset
EV
DD
A resistor or ferrite bead can be used as a
Note
, and V
SS
pins to communicate with the host
TOOL0
V
RESET
TOOL1
V
78K0R/KE3
FLMD0
SS
DD
Note 1