73s1210f68im Maxim Integrated Products, Inc., 73s1210f68im Datasheet - Page 18
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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1.5 Special Function Registers (SFRs)
Hex\Bin
73S1210F Data Sheet
The 73S1210F utilizes numerous SFRs to communicate with the 73S1210Fs many peripherals. This
results in the need for more SFR locations outside the direct address IRAM space (0x80 to 0xFF). While
some peripherals are mapped to unused IRAM SFR locations, additional SFRs for the smart card and
other peripheral functions are mapped to the top of the XRAM data space (0xFC00 to 0xFFFF).
1.5.1
A map of the Special Function Registers is shown in Table 6.
Only a few addresses are used, the others are not implemented. SFRs specific to the 73S1210F are
shown in bold print (gray background). Any read access to unimplemented addresses will return
undefined data, while most write access will have no effect. However, a few locations are reserved and
not user configurable in the 73S1210F. Writes to the unused SFR locations can affect the operation
of the core and therefore must not be written to. This applies to all the SFR areas in both the
IRAM and XRAM spaces. In addition, all unused bit locations within valid SFR registers must be
left in their default (power on default) states.
18
D8
D0
C8
C0
F8
F0
E8
E0
B8
B0
A8
A0
98
90
88
80
Internal Data Special Function Registers (SFRs)
BRCON
S0CON
T2CON
IRCON
USR70
TCON
X000
PSW
IEN1
IEN0
B
A
UDIR70
S0BUF
TMOD
KCOL
X001
IP1
IP0
SP
Table 6: IRAM Special Function Registers Locations
FLSHCTL
S0RELH
S0RELL
KROW
X010
IEN2
DPS
DPL
TL0
S1RELH
KSCAN
S1CON
X011
DPH
TL1
ERASE
KSTAT
S1BUF S1RELL
DPL1
X100
TH0
KSIZE
DPH1
X101
TH1
KORDERL KORDERH
WDTREL
X110
PGADDR
MCLKCtl
DS_1210F_001
PCON
X111
Rev. 1.4
Bin/
Hex
EF
DF
D7
CF
C7
BF
AF
FF
F7
E7
B7
A7
9F
8F
97
87
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