571
Chapter 13
Auxiliary Frequency Output Function (AFO)
User’s Manual U16580EE3V1UD00
(2)
Prescaler compare registers 2 (PRSCM2)
The PRSCM2 register is an 8-bit compare register.
This register can be read or written in 8-bit units.
Reset input clears this register to 00H.
Figure 13-3:
Prescaler Compare Register 2 (PRSCM2)
Cautions: 1. Do not rewrite the PRSCM2 register during operation.
2. Set the PRSCM2 register before setting the BGCE2 bit of the PRSM2 register to 1.
3. Do not set the AFO clock to a higher frequency than 8 MHz.
Remark:
f
BGCS2
: Clock frequency selected by the BGCS21, BGCS20 bits of the PRSM2 register.
After reset:
00H
R/W
Address:
FFFFFDE1H
7
6
5
4
3
2
1
0
PRSCM2
PRSCM27 PRSCM26 PRSCM25 PRSCM24 PRSCM23 PRSCM22 PRSCM21 PRSCM20
PRSCM
27
PRSCM
26
PRSCM
25
PRSCM
24
PRSCM
23
PRSCM
22
PRSCM
21
PRSCM
20
AFO Clock
N
0
0
0
0
0
0
0
0
f
BGSC2
/256
256
0
0
0
0
0
0
0
1
f
BGSC2
1
0
0
0
0
0
0
1
0
f
BGSC2
/2
2
:
:
:
:
:
:
:
:
:
:
1
1
1
1
1
1
0
0
f
BGSC2
/252
252
1
1
1
1
1
1
0
1
f
BGSC2
/253
253
1
1
1
1
1
1
1
0
f
BGSC2
/254
254
1
1
1
1
1
1
1
1
f
BGSC2
/255
255
Содержание MuPD70F3187
Страница 6: ...6 Preface User s Manual U16580EE3V1UD00 ...
Страница 16: ...16 User s Manual U16580EE3V1UD00 ...
Страница 28: ...28 User s Manual U16580EE3V1UD00 ...
Страница 32: ...32 User s Manual U16580EE3V1UD00 ...
Страница 84: ...84 Chapter 2 Pin Functions User s Manual U16580EE3V1UD00 MEMO ...
Страница 144: ...144 Chapter 3 CPU Functions User s Manual U16580EE3V1UD00 MEMO ...
Страница 192: ...192 Chapter 5 Memory Access Control Function μPD70F3187 only User s Manual U16580EE3V1UD00 MEMO ...
Страница 312: ...312 Chapter 9 16 Bit Timer Event Counter P User s Manual U16580EE3V1UD00 MEMO ...
Страница 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00 ...
Страница 969: ...969 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 MEMO ...
Страница 970: ...970 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 ...
Страница 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO ...
Страница 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO ...
Страница 1006: ...1006 Chapter 24 Flash Memory User s Manual U16580EE3V1UD00 MEMO ...
Страница 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO ...
Страница 1046: ...1046 Appendix A Index User s Manual U16580EE3V1UD00 MEMO ...
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