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R01UH0336EJ0102 Rev.1.02
Page 277 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 7 Clock Generation
7.8.5
Clock Monitor A Registers
Clock monitor A is controlled and operated by the following registers.
Register
addresses
The list of register addresses of clock monitor A is given below.
<CLMAn_base>
The base addresses <CLMAn_base> of the CLMAn are defined in Table 7-11,
Register Base Address <CLMAn_base>.
(1)
CLMAnCTL0 – CLMAn Control Register 0
This register is used to enable the clock monitor A (CLMAn).
Access
This register can be read/written in 8-bit units.
Writing to this register is protected by a special sequence of instructions. For
details, refer to Section 7.8.4, (3) Enabling CLMAn (Writing to the CLMAnCTL0
Register).
Address
<CLMAn_base> + 00
H
Initial value
00
H
This register is initialized by a reset from any source.
Table 7-17
List of Clock Monitor Registers
Register Name
Symbol
Address
CLMAn control register 0
CLMAnCTL0
<CLMAn_base> + 00
H
CLMAn control register 1
CLMAnCTL1
<CLMAn_base> + 04
H
CLMAn compare register L
CLMAnCMPL
<CLMAn_base> + 08
H
CLMAn compare register H
CLMAnCMPH
<CLMAn_base> + 0C
H
CLMAn protection command register
CLMAnPCMD
<CLMAn_base> + 10
H
CLMAn protection status register
CLMAnPS
<CLMAn_base> + 14
H
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
CLMAn
CLME
R
R
R
R
R
R
R
R/W
Table 7-18
CLMAnCTL0 Register Contents
Bit Position
Bit Name
Function
0
CLMAnCLME
Enables/disables the clock monitor:
0: Disable CLMAn
1: Enable CLMAn
This bit can only be cleared by a reset.
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