參數(shù)資料
型號: UPD31172
廠商: NEC Corp.
英文描述: VRC4172TM COMPANION CHIP FOR VR4121TM
中文描述: VRC4172TM伴侶芯片VR4121TM
文件頁數(shù): 3/44頁
文件大?。?/td> 278K
代理商: UPD31172
Data Sheet U14388EJ2V0DS00
3
μ
PD31172
Symbol
Name
Symbol
Name
Symbol
Name
Symbol
Name
A1
GND
C2
GND
E3
CD3
J15
GND
A2
AUTOFEED#
C3
STROBE#
E4
CD7
J16
UUCAS#
A3
PE
C4
ACK#
E14
GND
J17
ROMCS3#
A4
INIT#
C5
ERROR#
E15
PPON1
K1
GPIO14
A5
IOCHRDY
C6
AD6
E16
OCI2
K2
GPIO10
A6
AD19
C7
AD7
E17
USBRST#
K3
GPIO7
A7
AD20
C8
AD8
F1
GPIO22
K4
GPIO3
A8
AD21
C9
V
DD
F2
GPIO18
K14
EXCS3#
A9
AD22
C10
AD9
F3
CD2
K15
EXCS0#
A10
AD23
C11
AD10
F4
CD6
K16
SCAS#
A11
AD24
C12
AD11
F14
SCLK
K17
SRAS#
A12
Reserved
Note 1
C13
LCDBAK
F15
PPON2
L1
GPIO13
A13
Reserved
Note 1
C14
SMI#
F16
LCAS#
L2
GPIO9
A14
DP1
C15
USBINT#
F17
MRAS0#
L3
GPIO6
A15
DN2
C16
GND
G1
GPIO21
L4
GPIO2
A16
DP2
C17
RD#
G2
GPIO17
L14
EXCS4#
A17
LCDRDY
D1
GND
G3
CD1
L15
EXCS1#
B1
PS2CLK
D2
SELECTIN#
G4
CD5
L16
Reserved (0)
Note 2
B2
V
DD
D3
DIR1284
G14
Reserved
Note 1
L17
GND
B3
V
DD
D4
PS2INT
G15
Reserved
Note 1
M1
GPIO12
B4
BUSY
D5
SELECT
G16
UCAS#
M2
GPIO8
B5
GND
D6
AD0
G17
MRAS1#
M3
GPIO5
B6
AD12
D7
AD1
H1
GPIO20
M4
GPIO1
B7
AD13
D8
AD2
H2
GPIO16
M14
EXCS5#
B8
AD14
D9
GND
H3
CD0
M15
EXCS2#
B9
AD15
D10
AD3
H4
CD4
M16
Reserved (0)
Note 2
B10
AD16
D11
AD4
H14
Reserved
Note 1
M17
CKE
B11
AD17
D12
AD5
H15
ARBCLKSEL
N1
RESET
B12
AD18
D13
V
DD
H16
ULCAS#
N2
BUSRQ0#
B13
GND
D14
IEN
H17
ROMCS2#
N3
GPIO4
B14
DN1
D15
WAKE
J1
GPIO15
N4
GPIO0
B15
V
DD
D16
OCI1
J2
GPIO11
N14
GND
B16
GND
D17
LCDCS#
J3
V
DD
N15
DSR#
B17
WR#
E1
GPIO23
J4
GND
N16
RXD
C1
PS2DATA
E2
GPIO19
J14
V
DD
N17
RI#
Notes 1.
Either leave pins A12, A13, G14, G15, and H14 open, or input 0 V.
2.
Always input 0 V to pins L16 and M16.
Remark
# indicates active low.
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