参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 117/158页
文件大小: 0K
描述: IC PMU POWER/AUDIO 124-CTBGA
标准包装: 2,500
应用: 便携式设备
电流 - 电源: 7mA
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 124-TFBGA
供应商设备封装: 124-CTBGA(8x8)
包装: 带卷 (TR)
AS3658
Data Sheet Confidential
- Detailed Description - System Functions
10 Detailed Description - System Functions
The system functions consist of the I2C interface, the reset controller, the interrupt controller, startup sequences and
programming, the watchdog, internal references, the ON-key detect and the real time clock module.
10.1
2
I C Serial Interface
Table 122. I2C SDA,SCL Characteristics
Symbol
V IL
V IH
Parameter
SCL,SDA Low Level
input voltage
SCL,SDA High Level
input voltage
Min
-0.3
1.3
Typ
Max
0.4
VSUPP
LY
Unit
V
V
Note
10.1.1 Feature List
Fast-mode capability (max. SCL-frequency is 400 kHzkHz)
7+1-bit addressing mode
60h x 8-bit data registers (word address 0x00 - 0x60)
Write formats: Single-Byte-Write, Page-Write
Read formats: Current-Address-Read, Random-Read, Sequential-Read
SDA input delay and SCL spike filtering by integrated RC-components
10.1.2 Transfer Formats
2
Figure 51. I C Byte-Write
S
DW
A
WA
A
reg_data
A P
S
Sr
START condition after STOP
repeated START
DW
DR
device address for write
device address for read
AS3658 device address write (DW):80h = 10000000b
AS3658 device address read (DR): 81h = 10000001b
2
Figure 52. I C Page-Write:
write register,
WA++
WA
A
N
P
white field
grey field
WA++
word address
acknowledge
no acknowledge
stop condition
slave as receiver
slave as transmitter
increment word address internally
S
DW
A
WA
A
reg_data 1
A
reg_data 2
A
reg_data n
A P
write register
WA++
Byte-Write and Page-Write are used to write data to the slave.
write register
WA++
write register
WA++
www.austriamicrosystems.com
Revision 1v13
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