P89LPC9301(2009) View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
Manufacturer
P89LPC9301
(Rev.:2009)
(Rev.:2009)
NXP Semiconductors.
P89LPC9301 Datasheet PDF : 65 Pages
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Table 4. Special function registers …continued
* indicates SFRs that are bit addressable.
Name
Description
SFR Bit functions and addresses
addr. MSB
LSB
Reset value
Hex Binary
P2M1
Port 2 output
mode 1
A4H (P2M1.7) (P2M1.6) (P2M1.5) (P2M1.4) (P2M1.3) (P2M1.2) (P2M1.1) (P2M1.0) FF[1] 1111 1111
P2M2
Port 2 output
mode 2
A5H (P2M2.7) (P2M2.6) (P2M2.5) (P2M2.4) (P2M2.3) (P2M2.2) (P2M2.1) (P2M2.0) 00[1]
0000 0000
P3M1
Port 3 output B1H
-
-
-
-
-
-
(P3M1.1) (P3M1.0) 03[1] xxxx xx11
mode 1
P3M2
Port 3 output B2H
-
-
-
-
-
-
(P3M2.1) (P3M2.0) 00[1] xxxx xx00
mode 2
PCON
Power control 87H SMOD1 SMOD0
-
register
BOI
GF1
GF0
PMOD1 PMOD0 00
0000 0000
PCONA
Power control B5H RTCPD
-
VCPD
-
register A
I2PD
SPPD
SPD
-
00[1] 0000 0000
Bit address D7
D6
D5
D4
D3
D2
D1
D0
PSW*
Program status D0H
CY
AC
F0
RS1
RS0
OV
F1
word
P
00
0000 0000
PT0AD
Port 0 digital F6H
-
input disable
-
PT0AD.5 PT0AD.4 PT0AD.3 PT0AD.2 PT0AD.1
-
00
xx00 000x
RSTSRC Reset source DFH
-
register
BOIF
BOF
POF
R_BK
R_WD
R_SF
R_EX [3]
RTCCON RTC control D1H RTCF
RTCS1 RTCS0
-
-
-
ERTC
RTCEN 60[1][6] 011x xx00
RTCH
RTC register
high
D2H
00[6] 0000 0000
RTCL
RTC register
low
D3H
00[6] 0000 0000
SADDR
Serial port
A9H
address
register
00
0000 0000
SADEN
Serial port
B9H
address enable
00
0000 0000
SBUF
Serial Port
99H
data buffer
register
xx
xxxx xxxx
Bit address 9F
9E
9D
9C
9B
9A
99
98
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