P89LPC9321 NXP Semiconductors, P89LPC9321 Datasheet - Page 20

• Manufacturer Part Number: P89LPC9321
• Description: The P89LPC9321 is a single-chip microcontroller, available in low cost packages, basedon a high performance processor architecture that executes instructions in two to fourclocks, six times the rate of standard 80C51 devices
• Manufacturer: NXP Semiconductors

Table 5.
[1]
[2]
[3]
[4]
Name
BODCFG
CLKCON
PGACON1
PGACON1B
PGA1TRIM8X16X PGA1 trim
PGA1TRIM2X4X
RTCDATH
RTCDATL
Extended SFRs are physically located on-chip but logically located in external data memory address space (XDATA). The MOVX A,@DPTR and MOVX @DPTR,A instructions are
used to access these extended SFRs.
The BOICFG1/0 will be copied from UCFG1.5 and UCFG1.3 when power-on reset.
CLKCON register reset value comes from UCFG1 and UCFG2. The reset value of CLKCON.2 to CLKCON.0 come from UCFG1.2 to UCFG1.0 and reset value of CLKDBL bit
comes from UCFG2.7.
On power-on reset and watchdog reset, the PGAxTRIM8X16X and PGAxTRIM2X4X registers are initialized with a factory preprogrammed value. Other resets will not cause
initialization.
Extended special function registers
Description
BOD
configuration
register
CLOCK Control
register
PGA1 control
register
PGA1 control
register B
register
PGA1 trim
register
Real-time clock
data register
high
Real-time clock
data register low
SFR
addr.
FFC8H
FFDEH
FFBFH
FFBEH
FFE1H
FFE4H
FFE3H 16XTRIM3 16XTRIM2 16XTRIM1 16XTRIM0 8XTRIM3 8XTRIM2 8XTRIM1 8XTRIM0
FFE2H
Bit functions and addresses
4XTRIM3
ENPGA1
CLKOK
[1]
MSB
-
-
PGASEL1
4XTRIM2
1
-
-
-
PGASEL1
4XTRIM1
0
-
-
-
PGATRIM
4XTRIM0 2XTRIM3 2XTRIM2 2XTRIM1 2XTRIM0
XTALWD
1
-
-
CLKDBL
-
-
-
FOSC2
-
-
-
BOICFG1 BOICFG0
PGAG11
FOSC1
-
PGAENO
PGAG10 00
FOSC0
LSB
FF1
Reset value
Hex
[2]
[3]
00
[4]
[4]
00
00
Binary
1000 0100
0000 0000
0000 0000
0000 0000
0000 0000