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25 R/F COnVeRTeR (RFC)
RFC Time Base Counter low and high Registers (RFC_TCl, RFC_TCh)
Register name address
Bit
RFC Time Base
0x53a8
D15–0 TC[15:0]
Counter low
(16 bits)
Register
(RFC_TCl)
RFC Time Base
0x53aa
D15–8 –
Counter high
(16 bits)
D7–0 TC[23:16]
Register
(RFC_TCh)
D[7:0]/RFC_TCh, D[15:0]/RFC_TCl
TC[23:0]: Time Base Counter Bits
Time base counter data can be read and written to. (Default: 0x0)
note: The time base counter must be set from the low-order value (TC[15:0]/RFC_TCL register) first.
The counter may not be set to the correct value if the high-order value (TC[23:16]/RFC_TCH reg-
ister) is written first.
RFC interrupt Mask Register (RFC_iMSK)
Register name address
Bit
RFC interrupt
0x53ac
D15–5 –
Mask Register
(16 bits)
D4
(RFC_iMSK)
D3
D2
D1
D0
D[15:5]
Reserved
D4
OVTCie: TC Overflow error interrupt enable Bit
Enables or disables time base counter overflow error interrupts.
1 (R/W): Interrupt enabled
0 (R/W): Interrupt disabled (default)
D3
OVMCie: MC Overflow error interrupt enable Bit
Enables or disables measurement counter overflow error interrupts.
1 (R/W): Interrupt enabled
0 (R/W): Interrupt disabled (default)
D2
eSenBie: Sensor B Oscillation Completion interrupt enable Bit
Enables or disables sensor B oscillation completion interrupts.
1 (R/W): Interrupt enabled
0 (R/W): Interrupt disabled (default)
D1
eSenaie: Sensor a Oscillation Completion interrupt enable Bit
Enables or disables sensor A oscillation completion interrupts.
1 (R/W): Interrupt enabled
0 (R/W): Interrupt disabled (default)
D0
eReFie: Reference Oscillation Completion interrupt enable Bit
Enables or disables reference oscillation completion interrupts.
1 (R/W): Interrupt enabled
0 (R/W): Interrupt disabled (default)
25-12
name
Function
Time base counter low-order 16-
bit data
reserved
Time base counter high-order
8-bit data
name
Function
reserved
OVTCie
TC overflow error interrupt enable
OVMCie
MC overflow error interrupt enable
eSenBie
Sensor B oscillation completion
interrupt enable
eSenaie
Sensor A oscillation completion
interrupt enable
eReFie
Reference oscillation completion
interrupt enable
Seiko epson Corporation
Setting
init. R/W
0x0–0xffff
0x0 R/W
–
0x0–0xff
0x0 R/W
Setting
init. R/W
–
1 Enable
0 Disable
1 Enable
0 Disable
1 Enable
0 Disable
1 Enable
0 Disable
1 Enable
0 Disable
S1C17624/604/622/602/621 TeChniCal Manual
Remarks
–
–
0 when being read.
Remarks
–
–
0 when being read.
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
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