UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 633

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0890GK(A)-GAJ-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

Note Make pull-down resistor 470 Ω or more (10 kΩ: recommended).
Connect the FLMD0 pin as follows when performing self programming by means of on-chip debugging.
Figure 25-4. Connection Circuit Example (When Using QB-78K0MINI: Ports 31 and 32 Are Used)
Figure 25-5. Connection of FLMD0 Pin for Self Programming by Means of On-Chip Debugging
QB-78K0MINI target connector
QB-78K0MINI target connector
RESET OUT
RESET IN
FLMD0
FLMD0
GND
V
X1
X2
DD
CHAPTER 25 ON-CHIP DEBUG FUNCTION
User’s Manual U17554EJ4V0UD
Target reset
1 k (recommended)
10 k (recommended)
Note
Note
Target device
GND
X2
X1
RESET
P31
P32
V
Target device
FLMD0
Port
FLMD0
DD
633