isl9206a Intersil Corporation, isl9206a Datasheet - Page 13

• Manufacturer Part Number: isl9206a
• Description: Flexihash+ For Battery Authentication
• Manufacturer: Intersil Corporation

ADDRESS
RW Read/Write
WC Clear after write Zeros read
RC Clear after read
<> Default setting loaded from designated OTP ROM bit
W Write-only
W Writing disabled after lock-out
R
BIT
7:6
5:4
1:0
BIT
6:4
3:0
3
2
7
2-00
2-01
2-05
Read-only
locations
TYPE
TABLE 13. LEGEND FOR THE TYPE COLUMN
TOSC[3:0]
DAB[1:0]
SPD[1:0]
SLO[1:0]
TIBB[2:0]
NAME
NAME
ASLP
eINT
HSF
NAME
CHLG
AUTH
SESL
Data read
Zeros read
Data read
Data read, then
cleared
TYPE
TYPE
READ ACTION
RW
RW
RW
RW
RW
R
R
R
Authentication Code Register
Challenge Code Register
13
Secrets Selection
TABLE 11. DEFAULT CONFIGURATION (DCFG) REGISTER SETTINGS
DESCRIPTION
DEFAULT
DEFAULT
TABLE 12. DEFAULT TRIMMING (DTRM) REGISTER SETTINGS
00
01
00
1
1
--
--
0
TABLE 10. AUTHENTICATION REGISTERS (BANK 2)
Data ignored
Data written
Data written
Data ignored
Data written, then
cleared
WRITE ACTION
Device Address Bit Setting:
00: device responds only when CS field in instruction frame is’0’
01: device responds to any CS field value in instruction frame
10: device responds to any CS field value in instruction frame
11: device responds only when CS field in instruction frame is ‘1’
XSD Bus Speed Setting: Configures the bit rate of the XSD bus interface.
00: 0.5x (2.89kbps)
01: 1x (5.78kbps)
10: 2x (11.56kbps)
11: 4x (23.12kbps)
Power-on default setting of eINT bit in the MSCR register.
Power-on default setting of ASLP bit in the MSCR register.
Secrets Lock-out Bits:
Bit 1: Read/Write lock-out bit for address locations 0-02 to 0-09 (Secret Set #1 and #2)
Bit 0: Read/Write lock-out bit for address locations 0-0A to 0-0D (Secret Set #3)
NOTE: Once Bit 0 or Bit 1 is set, writing to the OTP ROM will permanently be disabled
(after a reset cycle).
Unused
Reference Current Trim Setting
Oscillator Frequency Trim Setting
BIT 7
--
ISL9206A
BIT 6
--
ADDRESS 0-00: DEFAULT CONFIGURATION (DCFG)
This address location stores the default configuration when
the ISL9206A is manufactured. Table 11 describes each bit in
detail. The legend for the TYPE column is given in Table 13.
ADDRESS 0-01: DEFAULT TRIM SETTING (DTRM)
This address location is writable only when the device is in
test mode. During normal operation, any data written to it will
be ignored. Table 12 describes the DTRM address in detail.
ADDRESS 0-02/03/04/05: AUTHENTICATION SECRET
SET #1 (SE1A/B/C/D)
These address locations store the first set of secrets to be used
for hash calculation. Reading and writing to this register can be
disabled by setting the SLO[1] bit at OTP ROM location 0-00[1].
ADDRESS 0-06/07/08/09: AUTHENTICATION SECRET
SET #2 (SE2A/B/C/D)
These address locations store the second set of secrets to
be used for hash calculation. Reading and writing to this
register can be disabled by setting the SLO[1] bit at OTP
ROM location 0-00[1].
BIT 5
--
DESCRIPTION
DESCRIPTION
BIT 4
--
CHLG[31:0]
AUTH[7:0]
BIT3
CSL[1:0]
BIT 2
BIT 1
SSL[1:0]
July 30, 2008
BIT 0
FN6651.1