UPD78F9221CS-CAC-A Renesas Electronics America, UPD78F9221CS-CAC-A Datasheet - Page 332
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UPD78F9221CS-CAC-A
Manufacturer Part Number
UPD78F9221CS-CAC-A
Description
MCU 8BIT 2KB FLASH 20PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9221MC-5A4-A.pdf
(418 pages)
Specifications of UPD78F9221CS-CAC-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
2KB (2K x 8)
Program Memory Type
FLASH
Ram Size
128 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
-
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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
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