73s1210f68im Maxim Integrated Products, Inc., 73s1210f68im Datasheet - Page 20
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73s1210f68im
Manufacturer Part Number
73s1210f68im
Description
Self-contained Smart Card Reader With Pinpad And Power Management
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.73S1210F68IM.pdf
(126 pages)
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73S1210F Data Sheet
1.5.3
A map of the XRAM Special Function Registers is shown in Table 8. The smart card registers are listed
separately in Table 107.
Accumulator (ACC, A): ACC is the accumulator register. Most instructions use the accumulator to hold
the operand. The mnemonics for accumulator-specific instructions refer to accumulator as “A”, not ACC.
B Register: The B register is used during multiply and divide instructions. It can also be used as a
scratch-pad register to hold temporary data.
20
Name
KROW
KSCAN
KSTAT
KSIZE
KORDERL
KORDERH
BRCON
A
B
Name
DAR
WDR
SWDR
RDR
SRDR
CSR
USRIntCtl1
USRIntCtl2
USRIntCtl3
USRIntCtl4
INT5Ctl
INT6Ctl
MPUCKCtl
ACOMP
TRIMPCtl
FUSECtl
VDDFCtl
SECReg
MISCtl0
MISCtl1
LEDCtl
External Data Special Function Registers (SFRs)
Location Reset Value
0XD2
0XD3
0XD4
0XD5
0XD6
0XD7
0xD8
0xE0
0xF0
Location Reset Value
0x FF80
0x FF81
0x FF82
0x FF83
0x FF84
0x FF85
0x FF90
0x FF91
0x FF92
0x FF93
0x FF94
0x FF95
0x FFA1
0x FFD0
0x FFD1
0x FFD2
0x FFD4
0x FFD7
0x FFF1
0x FFF2
0x FFF3
Table 8: XRAM Special Function Registers Reset Values
0x3F
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x0C
0x00
0x00
0x00
0x00
0x00
0x00
0x10
0xFF
Description
Keypad Row
Keypad Scan Time
Keypad Control/Status
Keypad Size
Keypad Column LS Scan Order
Keypad Column MS Scan Order
Baud Rate Control Register (only BRCON.7 bit used)
Accumulator
B Register
Description
Device Address Register (I
Write Data Register (I
Secondary Write Data Register (I
Read Data Register (I
Secondary Read Data Register (I
Control and Status Register (I
External Interrupt Control 1
External Interrupt Control 2
External Interrupt Control 3
External Interrupt Control 4
External Interrupt Control 5
External Interrupt Control 6
MPU Clock Control
Analog Compare Register
TRIM Pulse Control
FUSE Control
VDDFault Control
Security Register
Miscellaneous Control Register 0
Miscellaneous Control Register 1
LED Control Register
2
2
C)
C)
2
C)
2
C)
2
2
C)
C)
DS_1210F_001
Rev. 1.4
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