参数资料
型号: SY87729LHI
厂商: Micrel Inc
文件页数: 3/17页
文件大小: 0K
描述: IC SYNTHESIZER FRACT 3.3V 32TQFP
标准包装: 250
系列: AnyClock®
类型: 分数合成器
PLL:
主要目的: 以太网,光纤通道,SONET/SDH/ATM
输入: PECL
输出: PECL
电路数: 1
比率 - 输入:输出: 1:1
差分 - 输入:输出: 是/是
频率 - 最大: 365MHz
电源电压: 3.15 V ~ 3.45 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-TQFP 裸露焊盘
供应商设备封装: 32-EPAD-TQFP
包装: 托盘
配用: 576-1404-ND - BOARD EVAL N SY87729 EXPERIMENT
2012 Microchip Technology Inc.
Preliminary
DS22300A-page 11
MCP7952X/MCP7951X
4.0
RTCC FUNCTIONALITY
4.0.1
RTCC REGISTER MAP
The RTCC register space runs from 0x00 through to
0x1F. Any read or write that is started within the RTCC
register address space will wrap to the beginning of
the RTCC registers.
All of the RTCC registers are backed up from the VBAT
supply when VCC is not available, provided that the
VBATEN bit is set. Any unused bits or non imple-
mented addresses read back as ‘0’. No error checking
is provided for any of the RTCC, the user may load
any value.
The RTCC register map is shown in Table 4-1.
TABLE 4-1:
RTCC REGISTER MAP
Address
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
FUNCTION
RANGE
Time and Configuration Registers
00h
Tenth Seconds
Hundredths of Seconds
Hundredths of
seconds
00-99
01h
ST
10 Seconds
Seconds
00-59
02h
10 Minutes
Minutes
00-59
03h
CALSGN
12/24
10 Hour
AM/PM
10 Hour
Hour
Hours
1-12 + AM/PM
00 - 23
04h
OSCON
VBAT
VBATEN
Day
1-7
05h
10 Date
Date
01-31
06h
LP
10 Month
Month
01-12
07h
10 Year
Year
00-99
08h
OUT
SQWE
ALM1
ALM0
EXTOSC
RS2
RS1
RS0
Control Reg.
09h
CALIBRATION
Calibration
0Ah
Reserved for future use
0Bh
Reserved for future use
Alarm 0 Registers
0Ch
10 Seconds
Seconds
00-59
0Dh
10 Minutes
Minutes
00-59
0Eh
12/24
10 Hour
AM/PM
10 Hours
Hour
Hours
1-12 + AM/PM
00-23
0Fh
ALM0C2
ALM0C1
ALM0C0
ALM0IF
Day
1-7
10h
10 Date
Date
01-31
11h
10 Month
Month
01-12
Alarm 1 Registers
12h
Tenth Seconds
Hundredths of seconds
Hundredths
of Seconds
00-99
13h
10 Seconds
Seconds
00-59
14h
10 Minutes
Minutes
00-59
15h
12/24
10 Hour
AM/PM
10 Hours
Hour
Hours
1-12 + AM/PM
00-23
16h
ALM1C2
ALM1C1
ALM1C0
ALM1IF
Day
1-7
17h
10 Date
Date
01-31
Power-Down Time-Stamp Registers
18h
10 Minutes
Minutes
19h
12/24
10 Hour
AM/PM
10 Hours
Hour
1Ah
10 Date
Date
1Bh
Day
10 Month
Month
Power-Up Time-Stamp Registers
1Ch
10 Minutes
Minutes
1Dh
12/24
10 Hour
AM/PM
10 Hours
Hour
1Eh
10 Date
Date
1Fh
Day
10 Month
Month
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