參數(shù)資料
型號: HCS412TI
廠商: Microchip Technology Inc.
英文描述: KEELOQ Code Hopping Encoder and Transponder
中文描述: 而Keeloq跳碼編碼器和轉(zhuǎn)發(fā)器
文件頁數(shù): 35/44頁
文件大?。?/td> 704K
代理商: HCS412TI
2002 Microchip Technology Inc.
Preliminary
DS41099C-page 35
HCS412
7.1
EEPROM Organization
TABLE 7-1:
HCS412 EEPROM ORGANIZATION
TABLE 7-2:
PROGRAMMING/VERIFY TIMING REQUIREMENTS
16Bit
Word
BITS
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
2
3
4
5
6
7
KEY1_1
KEY1_3
KEY1_5
KEY1_0 (KEY1 LSB)
KEY1_2
KEY1_4
KEY1_6
KEY1_7 (KEY1 MSB)
SEED_1 / KEY2_1
SEED_3 / KEY2_3
SEED_5 / KEY2_5 / TCODE_1
SEED_0 / KEY2_0 (SEED AND KEY2 LSB)
SEED_2 / KEY2_2
SEED_4 / KEY2_4 / TCODE_0 (TCODE LSB)
8
Q
L
R
A
SEED_7 / KEY2_7 /
TCODE_3 (MSB for all 3)
SEED_6 / KEY2_6 / TCODE_2
9
S
S
RFBSL
1
M
C
M
L
LFSP
I
V
OSCT
2
0
1
0
3
1
0
10
OVR
10bit Discrimination Value
6
5
D
X
S
T
1
0
9
8
7
4
3
2
1
0
11
12
13
14
15
16
17
18
SER1
SER3
USR0 MSB
USR1 MSB
USR2 MSB
USR3 MSB
CNT1 (Counter MSB)
Reserved, set to 0
SER0
SER2
USR0 LSB
USR1 LSB
USR2 LSB
USR3 LSB
CNT0 (Counter LSB)
Reserved, set to 0
V
DD
= 5.0V ± 10%, 25
°
C ± 5
°
C
Parameter
Symbol
Min.
Max.
Units
Program mode setup time
Hold time 1
Hold time 2
Bulk Write time
Program delay time
Program cycle time
Clock low time
Clock high time
Data setup time
Data hold time
Data out valid time
Hold time
Acknowledge low time
Acknowledge high time
T
PS
T
PH
1
T
PH
2
T
PBW
T
PROG
T
WC
T
CLKL
T
CLKH
T
DS
T
DH
T
DV
T
PHOLD
T
ACKL
T
ACKH
2
5.0
30
ms
ms
μ
s
ms
ms
ms
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
4.0
50
4.0
4.0
50
50
50
0
18
100
800
800
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