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參數(shù)資料
| 型號(hào)： | UPD77210 |
| 廠商： | NEC Corp. |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR |
| 中文描述： | 16位定點(diǎn)數(shù)字信號(hào)處理器 |
| 文件頁(yè)數(shù)： | 20/74頁(yè) |
| 文件大?。?/td> | 467K |
| 代理商： | UPD77210 |
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Data Sheet U15203EJ3V0DS
20
μ
PD77210, 77213
SD card interface (
μ
PD77213 only)
Pin No.
Pin Name
144-pin LQFP
161-pin FBGA
I/O
Function
Alternate
Pin
SDCLK
112
M12
Output
SD card clock output
Leave this pin open.
MA19
SDCR
111
M13
I/O
(3S)
SD cord command/response
Input
:
Response
Output
:
Command
Leave pull-up.
MA18
SDDAT0
104
L10
I/O
(3S)
SD card data input/output
Input
:
Read data
Output
:
Write data
Leave pull-up.
MA14
SDMON
103
P11
Output
SD card interface access monitor
This pin outputs a high level when the SD card
interface is being accessed.
1: SD card interface being accessed
0: SD card interface not being accessed
MA13
Reserved
105 to 107
M11, N11, N12
Reserved for future function expansion.
This pin becomes high impedance when the SD card
interface is being used.
MA15 to
MA17
Remark
Those pins marked “3S” in the above table enter the high-impedance state when the SD card interface is
not being accessed.
Others
Pin No.
Pin Name
144-pin LQFP
161-pin FBGA
I/O
Function
Alternate
Pin
I.C.
6, 7
B11, C10
Internally connected.
Leave these pins open.
NC
A1,A2,A13,
A14,B1,B2,
B13,B14,E5,
N1,N2,N13,
N14,P1,P2,
P13,P14
No connection.
Leave these pins open.
Caution If any signal is input to these pins or if these pins are read, the correct operation of the
μ
PD77210
Family is not guaranteed.
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