参数资料
型号: SC26C92C1B,551
厂商: NXP Semiconductors
文件页数: 2/16页
文件大小: 0K
描述: IC UART DUAL W/FIFO 44PQFP
标准包装: 96
特点: 收发器
通道数: 2,DUART
FIFO's: 8 字节
电源电压: 5V
带自动流量控制功能:
带故障启动位检测功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 44-QFP
供应商设备封装: 44-PQFP(10x10)
包装: 管件
产品目录页面: 828 (CN2011-ZH PDF)
其它名称: 568-4711-5
935248790551
SC26C92C1B-S
SC26C92C1B-S-ND
2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FXLA2203 Rev. 1.0.5
10
FXLA2203
Dual-Mode,
Dual-SI
M-Card
Level
Translator
Table 2. Dual-Mode, Dual-SIM Truth Table
Enable
CH_SWAP
Configuration
1
Host 1 SIM Slot 1
1
Host 2 SIM Slot 2
1
0
Host 1 SIM Slot 2
1
0
Host 2 SIM Slot 1
Voltage Translation Description
The FXLA2203 provides full voltage translation, or level
shifting, from 1.65V – 3.6V between Host 1 or Host 2
and either SIM card (according to Table 3). The host
sides reference VCC_H_1 and VCC_H_2, respectively, while
each SIM slot references the external PMIC LDO
voltage level determined by the CH_Swap pin. This
architecture offers a flexible solution for problematic VCC
domain disagreements. For example, if Host 1 operates
at 1.65V and Host 2 operates at 2.5V, while slot 1 is
populated with a 3.0V SIM card and slot 2 is populated
with a 1.8V SIM card, the FXLA2203 provides seamless
voltage translation across all four VCC domains.
Figure 11. Voltage Translation
Table 3. Translation Truth Table
Enable
CH_Swap
SIM Slot 1 Voltage Levels
SIM Slot 2 Voltage Levels
1
PMIC LDO1 / VCC1
PMIC LDO2 / VCC2
1
0
PMIC LDO2 / VCC2
PMIC LDO1 / VCC1
Note:
22. VCC must always be greater than or equal to (
≥) VCC1 and VCC2.
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