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參數(shù)資料
| 型號(hào)： | TC9447F |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件頁數(shù)： | 41/44頁 |
| 文件大?。?/td> | 990K |
| 代理商： | TC9447F |
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TC9447F
2002-02-05
6
Operation
1.
Pin operations
Pin
No.
Symbol
Function
1
ECKO
2
ECKI
Supplies an external clock to ECKI (for slave operations).
When CKS pin = H, oscillation activated. When CKS = L, pulled down internally.
3~24
Omitted
―
25~40
TP [0:12]
Test pins (leave open) (TPx description is omitted.)
41
FS
1 fs output
42, 43
CKO [1:0]
Timing output pins. The output frequency is set from the microcontroller. (CMD-40h)
CKOS0
CKOS1
2
1
0
CKO0
2
1
0
CKO1
0
Fixed to L (initial value)
0
Fixed to L (initial value)
0
1
fs2
0
1
fs2
0
fs4
0
fs4
0
1
fs8
0
1
fs8
0
fs16
0
fs16
0
1
fs32
0
1
fs32
0
fs64
0
fs64
1
fs128
1
1/2 XI or 1/2 ECKI
46
MCK
Master clock output pin. Output is validated/invalidated and the frequency is switched from the
microcontroller. (CMD-4Dh)
MCKE
MCK
MCKE
STEP1
MCK
0
Fixed to L
0
don't care 256 fs
1
Output valid (initial value)
0
Source oscillation (XI/XO or ECKI)
1
For testing
54
CKS
Source oscillation selector pin
CKS
Source Oscillation
0
XI/XO pin
1
ECKI/ECKO pin
55, 56
STEP [1:0]
Source oscillation frequency/ASP operation speed switching pins
STEP1 STEP0
Source Oscillation Frequency
No. of ASP Operation Steps
0
512 fs
340/fs
0
1
768 fs
510/fs
1
*
For testing
*: don't care
57
RST
Reset input (L at initialization)
59
SYNC
Program operation SYNC signal input pin. Valid when program is executing a slave operation.
60
ELRO
LR clock signal input pin for serial output data. Valid when serial data are output in a slave operation.
61
ELRI
LR clock signal input pin for serial input data. Valid when serial data are input in a slave operation.
62
EBCO
Bit clock signal input pin for serial output data. Valid when serial data are output in a slave operation.
63
EBCI
Bit clock signal input pin for serial input data. Valid when serial data are input in a slave operation.
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