UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 275

• 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

<R>
<R>
Notes 1.
2.
If the peripheral hardware clock (f
f
• V
• V
• V
If the peripheral hardware clock (f
= 0), when 1.8 V ≤ V
prohibited.
Address: FF6CH
TMHMD1
PRS
DD
DD
DD
operating frequency varies depending on the supply voltage.
= 4.0 to 5.5 V: f
= 2.7 to 4.0 V: f
= 1.8 to 2.7 V: f
Figure 9-6. Format of 8-Bit Timer H Mode Register 1 (TMHMD1)
TMMD11
TOLEV1
TMHE1
TOEN1
TMHE1
CKS12
<7>
0
1
0
0
0
0
1
1
1
1
0
0
1
1
0
1
0
1
After reset: 00H
TMMD10
Stops timer count operation (counter is cleared to 0)
Enables timer count operation (count operation started by inputting clock)
Low level
High level
Disables output
Enables output
PRS
PRS
PRS
DD
CKS12
CKS11
CHAPTER 9 8-BIT TIMERS H0 AND H1
0
1
0
1
< 2.7 V, the setting of CKS12 = CKS11 = CKS10 = 0 (count clock: f
0
0
1
1
0
0
1
1
6
≤ 20 MHz
≤ 10 MHz
≤ 5 MHz (Standard and (A) grade products only)
User’s Manual U17260EJ6V0UD
Interval timer mode
Carrier generator mode
PWM output mode
Setting prohibited
CKS10
CKS11
Timer output level control (in default mode)
PRS
PRS
0
1
0
1
0
1
0
1
5
R/W
) operates on the internal high-speed oscillation clock (f
) operates on the high-speed system clock (f
f
f
f
f
f
f
f
f
PRS
PRS
PRS
PRS
PRS
RL
RL
RL
CKS10
/2
/2
Timer output control
Note 2
/2
/2
/2
/2
Timer operation enable
7
9
4
2
4
6
12
f
2 MHz
2 MHz
500 kHz
125 kHz
31.25 kHz
0.49 kHz
1.88 kHz (TYP.)
0.47 kHz (TYP.)
240 kHz (TYP.)
Timer operation mode
PRS
TMMD11 TMMD10 TOLEV1
Count clock selection
=
3
f
5 MHz
5 MHz
1.25 MHz
312.5 kHz
78.13 kHz
1.22 kHz
PRS
=
2
f
10 MHz
10 MHz
2.5 MHz
625 kHz
156.25 kHz
2.44 kHz
PRS
Note 1
<1>
=
f
20 MHz
20 MHz
5 MHz
1.25 MHz
312.5 kHz
4.88 kHz
PRS
TOEN1
<0>
=
XH
) (XSEL = 1), the
RH
) (XSEL
PRS
275
) is