UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 208

• 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

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Note OVF0n is set to 1 only when CR00n is set to FFFFH.
Caution When reading the external event counter count value, TM0n should be read.
Remark n = 0 to 3
Valid edge of TI00n pin
TM0n count value
TI00n pin input
INTTM00n
Figure 7-46. External Event Counter Operation Timing (with Rising Edge Specified)
CR00n
0000H 0001H 0002H 0003H 0004H 0005H
Figure 7-45. Configuration Diagram of External Event Counter
CHAPTER 7 16-BIT TIMER/EVENT COUNTERS 00 TO 03
Noise eliminator
f
PRS
User’s Manual U17554EJ4V0UD
N
16-bit timer counter 0n (TM0n)
16-bit timer capture/compare
register 00n (CR00n)
Internal bus
N – 1
Match
N
Clear
0000H 0001H 0002H 0003H
OVF0n
Note
INTTM00n