73S1215F Maxim, 73S1215F Datasheet - Page 54
73S1215F
Manufacturer Part Number
73S1215F
Description
The Teridian 73S1215F is a self-contained SoC smart card reader IC that is an ideal solution for any USB-connected ISO 7816 design
Manufacturer
Maxim
Datasheet
1.73S1215F.pdf
(136 pages)
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There are 3 sets of registers to load the RTC 24-bit accumulator, 32-bit counter and 23-bit trim registers.
The registers are loaded when the RTCLD bit is set in RTCCtl.
External Interrupt Control Register (INT5Ctl): 0xFF94
54
INT5Ctl.7
INT5Ctl.6
INT5Ctl.5
INT5Ctl.4
INT5Ctl.3
INT5Ctl.2
INT5Ctl.1
INT5Ctl.0
Bit
Register
Register
Register
MSB
PDMUX
RTCIEN
USBIEN
PDMUX
RTCINT
USBINT
Symbol
KPIEN
KPINT
–
–
RTCCnt[31:24]
Table 58: The 24-bit RTC Trim (sign magnitude value)
RTCCnt3
RTCIEN RTCINT USBIEN USBINT
Power down multiplexer control.
When set =1, enables RTC interrupt. Note: The RTC based watchdog will
be enabled when set.
When set =1, indicates interrupt from Real Time Clock function. Cleared
on read of register.
USB interrupt enable.
USB interrupt flag.
Keypad interrupt enable.
Keypad interrupt flag.
Table 57: The 24-bit RTC Accumulator
Table 56: The 32-bit RTC Counter
Table 59: The INT5Ctl Register
RTCACC [23:16]
RTCTrim [23:16]
RTCCnt[23:16]
RTCACC2
RTCTrim2
RTCCnt2
0x00
Function
RTCACC [15:8]
RTCTrim [15:8]
RTCCnt[15:8]
RTCACC1
RTCTrim1
RTCCnt1
KPIEN
KPINT
RTCACC [7:0]
RTCTrim [7:0]
LSB
RTCCnt[7:0]
RTCACC0
RTCTrim0
RTCCnt0
Rev. 1.4
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