UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 265

• Manufacturer Part Number: UPD78F0537DGA(T)-9EV-A
• Description: 8BIT MCU, 128K FLASH, 7KB RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F0537DGA(T)-9EV-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

Remarks 1. <1> to <3> and <5> in Figure 8-14 (a) correspond to <1> to <3> and <5> in PWM output operation in
Count clock
INTTM5n
TCE5n
TM5n
CR5n
TO5n
INTTM5n
2. n = 0, 1
TCE5n
Count clock
8.4.4 (1) PWM output basic operation.
TM5n
CR5n
TO5n
00H 01H
INTTM5n
TCE5n
<1> Inactive level
N
TM5n
CR5n
TO5n L (Inactive level)
t
00H
<1> Inactive level
FFH
01H
00H
t
CHAPTER 8 8-BIT TIMER/EVENT COUNTERS 50 AND 51
00H
FFH 00H 01H 02H
01H
t
Figure 8-14. PWM Output Operation Timing
(a) Basic operation (active level = H)
FFH 00H 01H 02H
<2> Active level
FFH 00H 01H 02H
User’s Manual U17260EJ6V0UD
(c) CR5n = FFH
(b) CR5n = 00H
<2> Active level
N N + 1
FFH 00H 01H 02H
<3> Inactive level
FFH 00H 01H 02H
<3> Inactive level
FFH 00H 01H 02H
<2> Active level
<2> Active level
M 00H
<5> Inactive level
M 00H
M
<5> Inactive level
00H
265