参数资料
型号: PS501-I/SS
厂商: Microchip Technology
文件页数: 16/42页
文件大小: 0K
描述: IC FIELD REPROG BATT MGR 28SSOP
标准包装: 47
功能: 充电管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 5.6 V ~ 18 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
PS501
7.0
GPIO CONFIGURATION
GPIOs can be set up to act as inputs or outputs that are
based on conditions involving SBData parameters or
GPIO levels compared to constants. This powerful pro-
gramming model allows for customizing GPIO to set on
any possible fuel gauge conditions and reset on any
other possible fuel gauge conditions in any groupings.
TABLE 7-1:
GPIO CONFIGURATIONS
Name
GPIOSTATE
GPIODIRECTION
GPIOCONFIG
GPIOPOLARITY
Length
2
2
2
2
Definition
Initialized default state (positive logic)
Initialized direction:
1 = input
0 = output
GPIO configuration
Bit 8:
1 = pull-ups/downs disabled
0 = pull-downs enabled
Bits 7:0:
if input:
1 = pulled down
0 = pulled up
if output:
1 = LED drive (GPIO0-7 only)
0 = standard logic
“Polarity” mask applied to invert positive logic
GPIOs configured above as standard logic output can
be programmed to activate or reset in response to any
group of fuel gauge conditions. Each “condition” is
defined by 4 bytes.
TABLE 7-2:
GPIO CONDITIONS
Byte
Condition
Definition
Byte 1
Flags
bit 7:
bit 4:
bit 3:
bits 2:0
1 signifies last condition in group
Combination function (1:AND, 0:OR)
Signed (1) or unsigned (0)
Comparison function (0 : >, 1 : <, 2 : =, 3 : AND, 4 : NOR)
Byte 2
Byte 3
Byte 4
Condition selection
Condition threshold
x00-x3F – SBData command code
x40 – State flags
x41 – GPIO flags
x42 – V CELL -min
x43 – V CELL -max
x44 – V CELL -diff
x45 – Misc. flags
Constant
DS21818C-page 16
? 2004 Microchip Technology Inc.
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