UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 200

• 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

200
CR01n capture value
Note Frequencies without parentheses are for 16-bit timer/event counter 00 and 02, and those in parentheses are
Note Clear OVF0n by software.
Remark n = 0 to 3
TM0n count value
TI00n pin input
Figure 7-36. Configuration Diagram for Pulse Width Measurement with Free-Running Counter
Count clock
INTTM01n
for 16-bit timer/event counter 01 and 03.
OVF0n
Figure 7-37. Timing of Pulse Width Measurement Operation with Free-Running Counter
f
f
PRS
PRS
/2
/2
f
2
8
PRS
(f
(f
0000H
PRS
PRS
(f
t
PRS
/2
/2
and One Capture Register (with Both Edges Specified)
TI00n
4
6
)
)
)
0001H
Note
Note
Note
CHAPTER 7 16-BIT TIMER/EVENT COUNTERS 00 TO 03
D0
(D1
D0
User’s Manual U17554EJ4V0UD
D0 + 1
D0)
t
16-bit timer capture/compare
register 01n (CR01n)
D1
16-bit timer counter 0n
(TM0n)
D1
Internal bus
D1 + 1
(10000H
FFFFH
D1 + D2)
0000H
t
INTTM01n
D2
OVF0n
(D3
D2
Note
D2)
t
D3
D3