UPD78F9222CS-CAC-A Renesas Electronics America, UPD78F9222CS-CAC-A Datasheet - Page 330

• Manufacturer Part Number: UPD78F9222CS-CAC-A
• Description: MCU 8BIT 4KB FLASH 20PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9222CS-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: 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 Connecting QB-MINI2 to 78K0S/KA1+
on-chip debug emulator (QB-MINI2).
328
The 78K0S/KA1+ uses RESET, X1, X2, INTP3, V
Caution The 78K0S/KA1+ has an on-chip debug function, which is provided for development and
Caution The constants described in the circuit connection example are reference values. If you
Notes 1. The RESET pin is used to download the monitor program at debugger startup or to implement
Target connector
RESET_OUT
RESET_IN
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.
H/S
2. This is the pin connection when the X1 and X2 pins are not used in the target system. When using
3. No problem will occur if the dashed line portions are connected.
4. This pin is connected to enhance the accuracy of time measurement between run and break during
R.F.U.
R.F.U.
R.F.U.
R.F.U.
R.F.U.
R.F.U.
DATA
DATA
Note 4
GND
INTP
perform flash programming aiming at mass production, thoroughly evaluate whether the
specifications of the target device are satisfied.
CLK
CLK
V
forced reset. Therefore, a pin that alternately functions as the RESET pin cannot be used. For
reset pin connection, refer to QB-MINI2 User’s Manual (U18371E).
the X1 and X2 pins, refer to 19.1.2 Connection of X1 and X2 pins.
debugging. Debugging is possible even if this pin is left open, but measurement error occurs in
several ms units.
DD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CHAPTER 19 ON-CHIP DEBUG FUNCTION
Figure 19-1. Recommended Circuit Connection
V
DD
Note 3
Note 3
User’s Manual U16898EJ6V0UD
DD
, and GND pins to communicate with the host machine via an
10 k
V
V
V
DD
DD
DD
3 to 10 k
1 k
1 k
1 to 10 k
RESET
X2
X1
INTP3
Target device
RESET signal
Note 2
Note 2
Reset circuit
Note 5
Note 1
GND
V
DD
V
DD