UPD78F9222MC-5A4-A Renesas Electronics America, UPD78F9222MC-5A4-A Datasheet - Page 332

• Manufacturer Part Number: UPD78F9222MC-5A4-A
• Description: MCU 8BIT 4KB FLASH 20PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9222MC-5A4-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 15
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

19.1.2 Connection of X1 and X2 pins
330
Caution If debugging is performed with a real machine running, without using QB-MINI2, write the user
program) and when programming is performed with the QB-Programmer.
The X1 and X2 pins are used when the debugger is started for the first time (when downloading the monitor
Figure 19-5. Circuit Connection for the Case Where X1 and X2 Pins Are Used in Target System
Figure 19-4. Circuit Connection for the Case Where QB-MINI2 Is Used for Debugging and
program using the QB-Programmer. Programs downloaded by the debugger include the monitor
program, and such a program malfunctions if it is not controlled via QB-MINI2.
Debugging of INTP3 Pin Is Performed Only with Real Machine
Target connector
Target connector
* Jumper setting
* Jumper setting
INTP
CHAPTER 19 ON-CHIP DEBUG FUNCTION
When debugging with QB-MINI2 connected:
Other than above:
X2
X1
When debugger is started for the first time
(downloading the monitor program) or when
programming is performed with QB-Programmer:
Other than above:
3
9
12
User’s Manual U16898EJ6V0UD
1
2
3
1
2
3
V
DD
1 k
1
2
3
External components
X2
X1
INTP3
External device
I/O to INTP3
Oscillator or
external device
Target device
Target device
1-2 shorted
2-3 shorted
1-2 shorted
2-3 shorted