2024年4月19日发(作者：)
ＰＣ８７５７０
ＰＣ８７５７０是笔记本电脑中常用的键盘、电源控制芯片。
ＰＣ８７５７０的内部电路框图
CR16A Core
处理单元
核心总线
适配器
总线
存储器
RAM
ROM
BIU
外围总线
Host
Config
KBC + PM
Host I/F
RTC +
APC
HFCG
ICU
GPIO
KBSCAN
MIWU
PS/2
I/F
ACB
I/F
Timer +
WDG
MFT16
(X2)
ADC
DAC
Legacy
PMC
HBI
外设
CLK
ＩＳＡ兼容总线
32.768
KHz
外部存储器
ＰＣ８７５７０的针脚封装图
120
PA6/A17
PE1/A18/SHBM
D0
D1
D2
D3
D4
D5
D6
D7
PF0/D8
PF1/D9
PF2/D10
PF3/D11
PF4/D12
PF5/D13
PF6/D14
PF7/D15
IRQ12
IRQ11
IRQ8
IRQ1
PA0/HMEMCS
HIOR
HIOW
GND
V
CC
PA1/HMEMRD
PA2/HMEMWR
HMR
HPWRON
HA0
HA1
HA2
HA3
HA4
HA5
HA6
HA7
HA8
121
P
A
5
/
A
1
6
P
G
1
/
A
1
5
/
C
B
R
D
A
1
4
/
B
E
1
A
1
3
/
B
E
0
A
1
2
A
1
1
A
1
0
A
9
A
8
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
P
G
4
/
W
R
1
W
R
0
R
D
/
H
D
E
N
P
G
0
/
S
E
L
I
O
G
N
D
V
C
C
P
G
2
/
C
L
K
P
G
3
/
S
E
L
1
S
E
L
0
/
H
R
M
S
P
H
0
/
B
S
T
0
/
E
N
V
0
P
H
1
/
B
S
T
1
/
E
N
V
1
P
H
2
/
B
S
T
2
/
T
R
I
S
P
H
3
/
P
F
S
P
H
4
/
P
L
I
P
H
5
/
I
S
E
D
A
3
D
A
2
D
A
1
D
A
0
P
D
7
/
A
D
7
P
D
6
/
A
D
6
A
G
N
D
A
V
C
C
115115
81
80
PD5/AD5
PD4/AD4
PD3/AD3
PD2/AD2
PD1/AD1
PD0/AD0
V
REF
PFAIL
PB7/SWIN
HRSTO(PB6)
PB5(GA20)
PB4/TB/EXINT10
PB3/TA
PB2/SDA
PB1/SCL
PB0/RING
PC6/PSCLK3
PC7/PSDAT3
PC5/EXINT15
V
CC
GND
PC4/EXINT11
PC3/EXINT0
PC2
PC1
PC0
PSCLK2
PSDAT2
PSCLK1
PSDAT1
KBSOUT0
KBSOUT1
KBSOUT2
KBSOUT3
KBSOUT4
KBSOUT5
KBSOUT6
KBSOUT7
KBSOUT8
KBSOUT9
125
75
130
70
135
65
140
PC87570
160-pin PQFP
60
145
55
150
50
155
45
160
0
3540
41
H
A
9
H
A
1
0
H
A
1
1
H
A
1
2
H
A
1
3
H
A
1
4
H
A
1
5
P
A
3
/
H
A
1
6
P
A
4
/
H
A
1
7
P
E
0
/
H
A
1
8
H
A
E
N
H
I
O
C
H
R
D
Y
H
D
0
H
D
1
H
D
2
H
D
3
H
D
4
H
D
5
H
D
6
H
D
7
V
C
C
G
N
D
3
2
K
X
1
/
3
2
C
L
K
I
N
G
N
D
3
2
K
X
2
V
B
A
T
K
B
S
I
N
7
K
B
S
I
N
6
K
B
S
I
N
5
K
B
S
I
N
4
K
B
S
I
N
3
K
B
S
I
N
2
K
B
S
I
N
1
K
B
S
I
N
0
K
B
S
O
U
T
1
5
K
B
S
O
U
T
1
4
K
B
S
O
U
T
1
3
K
B
S
O
U
T
1
2
K
B
S
O
U
T
1
1
K
B
S
O
U
T
1
0
130
NC
NC
PA6/A17
PE1/A18/SHBM
D0
D1
D2
D3
D4
D5
D6
D7
PF0/D8
PF1/D9
PF2/D10
PF3/D11
PF4/D12
PF5/D13
PF6/D14
PF7/D15
IRQ12
IRQ11
IRQ8
IRQ1
PA0/HMEMCS
HIOR
HIOW
GND
V
CC
PA1/HMEMRD
PA2/HMEMWR
HMR
HPWRON
HA0
HA1
HA2
HA3
HA4
HA5
HA6
HA7
HA8
NC
NC
125
A
8
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
P
G
4
/
W
R
1
W
R
0
R
D
/
H
D
E
N
P
G
0
/
S
E
L
I
O
G
N
D
V
C
C
P
G
2
/
C
L
K
P
G
3
/
S
E
L
1
S
E
L
0
/
H
R
M
S
P
H
0
/
B
S
T
0
/
E
N
V
0
P
H
1
/
B
S
T
1
/
E
N
V
1
P
H
2
/
B
S
T
2
/
T
R
I
S
P
H
3
/
P
F
S
P
H
4
/
P
L
I
P
H
5
/
I
S
E
D
A
3
D
A
2
D
A
1
D
A
0
P
D
7
/
A
D
7
P
D
6
/
A
D
6
A
G
N
D
A
V
C
C
N
C
N
C
120115
90
NC
NC
PD5/AD5
PD4/AD4
PD3/AD3
PD2/AD2
PD1/AD1
PD0/AD0
V
REF
PFAIL
PB7/SWIN
HRSTO(PB6)
PB5(GA20)
PB4/TB/EXINT10
PB3/TA
PB2/SDA
PB1/SCL
PB0/RING
PC6/PSCLK3
PC7/PSDAT3
PC5/EXINT15
V
CC
GND
PC4/EXINT11
PC3/EXINT0
PC2
PC1
PC0
PSCLK2
PSDAT2
PSCLK1
PSDAT1
KBSOUT0
KBSOUT1
KBSOUT2
KBSOUT3
KBSOUT4
KBSOUT5
KBSOUT6
KBSOUT7
KBSOUT8
KBSOUT9
NC
NC
85
80
75
70
135
140
145
150
N
C
N
C
P
A
5
/
A
1
6
P
G
1
/
A
1
5
/
C
B
R
D
A
1
4
/
B
E
1
A
1
3
/
B
E
0
A
1
2
A
1
1
A
1
0
A
9
155
PC87570
176-pin TQFP
65
160
60
165
55
170
50
175
45
1
510
N
C
N
C
H
A
9
H
A
1
0
H
A
1
1
H
A
1
2
H
A
1
3
H
A
1
4
H
A
1
5
P
A
3
/
H
A
1
6
P
A
4
/
H
A
1
7
P
E
0
/
H
A
1
8
H
A
E
N
H
I
O
C
H
R
D
Y
H
D
0
H
D
1
H
D
2
H
D
3
H
D
4
H
D
5
H
D
6
H
D
7
V
C
C
G
N
D
3
2
K
X
1
/
3
2
C
L
K
I
N
G
N
D
3
2
K
X
2
V
B
A
T
K
B
S
I
N
7
K
B
S
I
N
6
K
B
S
I
N
5
K
B
S
I
N
4
K
B
S
I
N
3
K
B
S
I
N
2
K
B
S
I
N
1
K
B
S
I
N
0
K
B
S
O
U
T
1
5
K
B
S
O
U
T
1
4
K
B
S
O
U
T
1
3
K
B
S
O
U
T
1
2
K
B
S
O
U
T
1
1
K
B
S
O
U
T
1
0
N
C
N
C
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