UPD78F0988AGC-8BS Renesas Electronics America, UPD78F0988AGC-8BS Datasheet - Page 149

• Manufacturer Part Number: UPD78F0988AGC-8BS
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0988AGC-8BS

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Note Expanded-specification products only.
Cautions 1. Before rewriting the data of TCL51, stop the timer operation once.
Remarks 1. f
Note Expanded-specification products only.
Cautions 1. Before rewriting the data of TCL52, stop the timer operation once.
Remarks 1. f
TCL52
Symbol
TCL51
Symbol
2. Be sure to clear bits 3 to 7 of TCL51 to 0.
2. Be sure to clear bits 3 to 7 of TCL52 to 0.
2. The settings of TCL510 to TCL512 are invalid when TM50 and TM51 are connected in cascade.
2. The settings of TCL520 to TCL522 are invalid when TM51 and TM52 are connected in cascade.
X
X
: System clock oscillation frequency
: System clock oscillation frequency
TCL522 TCL521
TCL512 TCL511
0
7
0
0
0
0
1
1
1
1
0
7
0
0
0
0
1
1
1
1
Figure 7-8. Format of Timer Clock Select Register 51
Figure 7-9. Format of Timer Clock Select Register 52
6
0
0
0
1
1
0
0
1
1
0
6
0
0
1
1
0
0
1
1
TCL520
TCL510
0
5
0
1
0
1
0
1
0
1
CHAPTER 7 8-BIT TIMER/EVENT COUNTER
0
5
0
1
0
1
0
1
0
1
f
f
f
f
f
f
X
X
X
X
X
X
Falling edge of TI52
Rising edge of TI52
/2
/2
/2
/2
/2
/2
f
f
f
f
f
f
4
0
X
X
X
X
X
X
Falling edge of TI51
Rising edge of TI51
/2
/2
/2
/2
/2
8
4
5
6
7
9
4
0
2
3
4
5
User’s Manual U13029EJ7V1UD
750 kHz
375 kHz
187 kHz
93.7 kHz
46.8 kHz
23.4 kHz
3
0
12 MHz
6 MHz
3 MHz
1.5 MHz
750 kHz
375 kHz
At f
0
3
At f
TCL522 TCL521 TCL520
X
= 12 MHz
TCL512 TCL511 TCL510
X
2
= 12 MHz
Count clock selection
2
Count clock selection
1
Note
1
Note
0
0
524 kHz
262 kHz
131 kHz
65.5 kHz
32.7 kHz
16.4 kHz
524 kHz
8.38 MHz
4.19 MHz
2.1 MHz
1.05 MHz
262 kHz
At f
Address
FF79H
At f
Address
FF75H
X
= 8.38 MHz
X
= 8.38 MHz
After reset
After reset
00H
00H
R/W
R/W
R/W
R/W
147