UPD78F0138 NEC, UPD78F0138 Datasheet - Page 202

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

202
Remarks 1. <1> to <3> and <5> in Figure 7-14 (a) correspond to <1> to <3> and <5> in PWM output operation in
Count clock
Count clock
INTTM5n
INTTM5n
INTTM5n
TCE5n
TM5n
CR5n
TO5n
TCE5n
TCE5n
TM5n
CR5n
TO5n
TM5n
CR5n
TO5n
2. n = 0, 1
7.4.4 (1) PWM output basic operation.
Inactive level
00H
L
Inactive level
00H
00H 01H
FFH
01H
N
t
00H
01H
t
t
<1>
CHAPTER 7 8-BIT TIMER/EVENT COUNTERS 50 AND 51
FFH 00H 01H 02H
Figure 7-14. PWM Output Operation Timing
FFH 00H 01H 02H
FFH 00H 01H 02H
(a) Basic operation (active level = H)
Active level
User’s Manual U16228EJ2V0UD
<2> Active level
(c) CR5n = FFH
(b) CR5n = 00H
N N + 1
N N + 1
N N + 1
N + 2
<3> Inactive level
N + 2
FFH 00H 01H 02H
FFH 00H 01H 02H
FFH 00H 01H 02H
Inactive level
Active level
Active level
Inactive level
M 00H
Inactive level
M
M 00H
<5>
00H