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PC87591L Datasheet(PDF) 184 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87591L
Description  LPC Mobile Embedded Controllers
PDF  437 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87591L Datasheet(HTML) 184 Page - National Semiconductor (TI)

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Embedded Controller Modules (Continued)
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184
Revision 1.07
Voltage Channel 1 Data Buffer (VCHN1DAT)
This register (buffer) holds the data measured by Voltage Channel 1.
Location: 00 FF3616
Type: RO
Voltage Channel 2 Control Register (VCHN2CTL)
This register controls the operation and indicates the status of Voltage Channel 2. VCHN2CTL is set to 1F16 on reset.
Location: 00 FF3816
Type: Varies per bit
Voltage Channel 2 Data Buffer (VCHN2DAT)
This register (buffer) holds the data measured by the Voltage Channel 2.
Location: 00 FF3A16
Type: RO
Bit
15
14
13
12
11
10
9876543210
Name
Reserved
VCHDAT
Bit
Description
9-0
VCHDAT (Voltage Channel 1 Data). Selected input voltage data, measured by Voltage Channel 1. To calculate
the voltage, see Section 4.11.3 on page 173. VCHN1DAT holds valid result when DATVAL bit in VCHN1CTL
register is set. To prepare for consecutive result, clear DAVAL after reading the data from VCHDAT.
Range: 0 to 1023 (0 to VFS); 10-bit, unsigned value with 1 LSB = VFS/1024 (the value at reset is undefined).
15-10 Reserved.
Bit
76543210
Name
DATVAL
CSCALE
INTDVEN
SELIN
Reset
00011111
Bit
Type
Description
4-0
R/W
SELIN (Selected Input). Same as Voltage Channel 1.
5
R/W
INTDVEN (Interrupt from Data Valid Enable). Same as Voltage Channel 1.
6
R/W
CSCALE (Channel Scale). Same as Voltage Channel 1.
7
R/W1C DATVAL (Data Valid). Same as Voltage Channel 1.
Bit
15
14
13
12
11
10
9876543210
Name
Reserved
VCHDAT
Bit
Description
9-0
VCHDAT (Voltage Channel 2 Data). Same as Voltage Channel 1.
15-10 Reserved.



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