ymf781 Yamatake Corporation, ymf781 Datasheet - Page 10

• Manufacturer Part Number: ymf781
• Description: Apl-1 Automobile Sound Player-1
• Manufacturer: Yamatake Corporation

※Note that the output timing of LWRN, UWRN, and WRN differs in the access time of 3 clocks or less and that of 4 clocks or more.
10
・Asynchronous Serial Interface （UART）
・External Memory Interface
Conditions: T
Conditions: T
Transfer Frequency (Baud rate: fixed to x16)
RXD allowable frequency error (*1)
Data (D) Set-up time
Data (D) Hold time
Address (A) Output Delay time
Control Signal Output Delay time (*1)
Data (D) Output Delay time
Data (D) Output turn-on time
Internal Master Clock
MCK
LWRN, UWRN,
WRN
(*1) In the case of 10 bits including the start bit and the stop bit.
(*1) LBN/LWRN, UBN/UWRN, WRN, RDN, and CS*N
A[21:0]
D[15:00]
LWRN, UWRN,
WRN
LBN, UBN,
CS*N, RDN
D[15:00]
（4clock or more）
（3clock or less）
OP
OP
(Output)
(Input)
= -40 to 85℃, VDD= 3.0 to 3.6V, VDDC= 3.0 to 3.6V or 4.75 to 5.25V, Capacitor load=50pF
= -40 to 85℃, VDD= 3.0 to 3.6V, VDDC= 3.0 to 3.6V or 4.75 to 5.25V, Capacitor load=50pF
Ｉtem
Ｉtem
T
AD
T
DD
T
CTLD
T
DT
T
CTLD
Access time 2 to 9 clocks (variable)
T
CTLD
1 / T
Symbol
Symbol
T
T
T
T
T
T
CTLD
DH
AD
DD
DS
DT
RXD
Ｍin.
Ｍin.
10
10
-2
9
T
DS
T
Ｔyp.
Ｔyp.
CTLD
T
T
CTLD
AD
T
Ｍax.
Ｍax.
DD
144
+2
40
40
80
20
T
CTLD
T
DH
YMF781
Ｕnit
Ｕnit
kHz
%
ns
ns
ns
ns
ns
ns