UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 210

• 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

210
Remark 0/1: Setting 0 or 1 allows another function to be used simultaneously with square-wave output. See the
Remark n = 0 to 3
TOC0n
PRM0n
TM0n count value
TO0n pin output
Count clock
INTTM00n
ES1n1
0/1
7
0
CR00n
n = 0 to 3
OSPT0n
ES1n0
description of the respective control registers for details.
0/1
0
Figure 7-47. Control Register Settings in Square-Wave Output Mode (2/2)
0000H 0001H 0002H
OSPE0n
ES0n1
0/1
0
TOC0n4
CHAPTER 7 16-BIT TIMER/EVENT COUNTERS 00 TO 03
ES0n0
Figure 7-48. Square-Wave Output Operation Timing
0/1
0
(c) 16-bit timer output control register 0n (TOC0n)
N
LVS0n
0/1
(d) Prescaler mode register 0n (PRM0n)
3
0
LVR0n
0/1
2
0
User’s Manual U17554EJ4V0UD
TOC0n1
PRM0n1
1
0/1
N – 1
TOE0n
PRM0n0
1
0/1
N
Enables TO0n output.
Inverts output on match between TM0n and CR00n.
Specifies initial value of TO0n output F/F (setting “11” is prohibited).
Does not invert output on match between TM0n and CR01n.
Disables one-shot pulse output.
Selects count clock.
Setting invalid (setting “10” is prohibited.)
Setting invalid (setting “10” is prohibited.)
0000H 0001H 0002H
N – 1
N
0000H