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ML51/ML54/ML56
Sep. 01, 2020
Page
111
of 719
Rev 2.00
ML
51
/ML
54
/ML
5
6 S
E
RI
E
S
TECHNI
CA
L
RE
F
E
R
E
NC
E
M
A
NU
A
L
ML51/M
L54
/M
L56
Series
Tec
hnical Reference
Manual
Register
Definition
Ad
d
r.
P
a
g
e
MSB
LSB
Reset
Value
TA
7
6
5
4
3
2
1
0
P6M2
Port6 Mode Select
2
85H
2
P6M2.7
P6M2.6
P6M2.5
P6M2.4
P6M2.3
P6M2.2
P6M2.1
P6M2.0
00000000b
85H
3
RCTRIM0
Internal Rc Trim
Value High Byte
84H
0
HIRCTRIM[8:1]
XXXXXXXXb Y
LIRCTRIM
Lirc Trim Value
84H
1
LIRCTRIM[7:0]
XXXXXXXXb
P6M1
Port6 Mode Select
1
84H
2
P6M1.7
P6M1.6
P6M1.5
P6M1.4
P6M1.3
P6M1.2
P6M1.1
P6M1.0
00000000b
84H
3
DPH
Data Pointer High
Byte
83H
A
DPTR[15:8]
00000000b
DPL
Data Pointer Low
Byte
82H
A
DPTR[7:0]
00000000b
SP
Stack Pointer
81H
A
SP[7:0]
00000111b
P0
Port 0
80H
A
P0.7
P0.6
P0.5
P0.4
P0.3
P0.2
P0.1
P0.0
Outputlatch,
00000000b
Input,
XXXXXXXXb
Table 6.1-2 SFR Definitions And Reset Values
Note:
[1] ( ) item means the page of SFRs. Without special define means all pages accessable.
[2] Reset value symbol description. 0: logic 0; 1: logic 1; U: unchanged; C: see [5]; X: see [3], [6], and [7].
[3] All I/O pins are default input-only mode (floating) after reset.
[4] These SFRs have TA protected writing.
[5] These SFRs have bits those are initialized according to CONFIG values after specified resets.
[6] BOF reset value depends on different setting of CONFIG2 and V
DD
voltage level.
[7] BOS is a read-only flag decided by V
DD
level while brown-out detection is enabled.