fm3204 Ramtron Corporation, fm3204 Datasheet - Page 9

• Manufacturer Part Number: fm3204
• Description: Integrated Processor Companion With Memory
• Manufacturer: Ramtron Corporation

Register Description
Rev. 2.4
Mar. 2008
Address Description
18h
17h
16h
15h
14h
13h
12h
11h
10h
0Fh
0Eh
0Dh
Serial Number Byte 7
Upper byte of the serial number. Read/write when SNL=0, read-only when SNL=1. Nonvolatile.
Serial Number Byte 6
Byte 6 of the serial number. Read/write when SNL=0, read-only when SNL=1. Nonvolatile.
Serial Number Byte 5
Byte 5 of the serial number. Read/write when SNL=0, read-only when SNL=1. Nonvolatile.
Serial Number Byte 4
Byte 4 of the serial number. Read/write when SNL=0, read-only when SNL=1. Nonvolatile.
Serial Number Byte 3
Byte 3 of the serial number. Read/write when SNL=0, read-only when SNL=1. Nonvolatile.
Serial Number Byte 2
Byte 2 of the serial number. Read/write when SNL=0, read-only when SNL=1. Nonvolatile.
Serial Number Byte 1
Byte 1 of the serial number. Read/write when SNL=0, read-only when SNL=1. Nonvolatile.
Serial Number Byte 0
LSB of the serial number. Read/write when SNL=0, read-only when SNL=1. Nonvolatile.
Counter 2 MSB
Event Counter 2 MSB. Increments on overflows from Counter 2 LSB. Battery-backed, read/write.
Counter 2 LSB
Event Counter 2 LSB. Increments on programmed edge event on CNT2 input or overflows from Counter 1 MSB
when CC=1. Battery-backed, read/write .
Counter 1 MSB
Event Counter 1 MSB. Increments on overflows from Counter 1 LSB. Battery-backed, read/write.
Counter 1 LSB
Event Counter 1 LSB. Increments on programmed edge event on CNT1 input. Battery-backed, read/write.
SN.63
SN.55
SN.47
SN.39
SN.31
SN.23
SN.15
C2.15
C1.15
SN.7
C2.7
C1.7
D7
D7
D7
D7
D7
D7
D7
D7
D7
D7
D7
D7
SN.62
SN.54
SN.46
SN.38
SN.30
SN.22
SN.14
C2.14
C1.14
SN.6
C2.6
C1.6
D6
D6
D6
D6
D6
D6
D6
D6
D6
D6
D6
D6
SN.61
SN.53
SN.45
SN.37
SN.29
SN.21
SN.13
C2.13
C1.13
SN.5
C2.5
C1.5
D5
D5
D5
D5
D5
D5
D5
D5
D5
D5
D5
D5
SN.60
SN.52
SN.44
SN.36
SN.28
SN.20
SN.12
C2.12
C1.12
SN.4
C2.4
C1.4
D4
D4
D4
D4
D4
D4
D4
D4
D4
D4
D4
D4
SN.59
SN.51
SN.43
SN.35
SN.27
SN.19
SN.11
C2.11
C1.11
SN.3
C2.3
C1.3
D3
D3
D3
D3
D3
D3
D3
D3
D3
D3
D3
D3
SN.58
SN.50
SN.42
SN.34
SN.26
SN.18
SN.10
C2.10
C1.10
SN.2
C2.2
C1.2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
SN.57
SN.49
SN.41
SN.33
SN.25
SN.17
SN.9
SN.1
C2.9
C2.1
C1.9
C1.1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
FM3204/16/64/256
Page 9 of 22
SN.56
SN.48
SN.40
SN.32
SN.24
SN.16
SN.8
SN.0
C2.8
C2.0
C1.8
C1.0
D0
D0
D0
D0
D0
D0
D0
D0
D0
D0
D0
D0