TT6297/TT6298
PIN DESCRIPTION
Pin
Name
Pin
NO
TT6297
Pin I/O
Function
NO
TT6298
12~15 12~15
I0 ~ I3
I/O Instruction bus and condition outputs.
These pins are inputs for phrase specification
Maximum number of phrases is 511, l0~ l3 pins are
also outputs of the operating state- busy state, for
channels 1~4 and are further used to select the
channel attenuation rate.
16~19 16~19
I4 ~ I7
I
20
21
20
21
WRB
RDB
I
I
Write enable input. Data is written on the data bus
of l0~ l7 The data is written when WR goes low.
Read enable input.
The output busy state of channels 1~4 on the data
bus of l0~ l3 can be read using this input. A high level
indicates busy.
22
24
22
24
CSB
I
I
Chip select input. Input “L” level either when
WR signal is input or when RD signal is input.
Reset input. Reset condition is available by
inputting “L” level
RESETB
All functions are suspended during reset.
Address outputs.
These pins are to address the external ROM in
which voice data is stored.
TT6297 : A0~A23
36~48 37~48
1~11 1~11
A0~A23
/ A22
O
TT6298 : A0~A22
Voice data inputs.
Voice synthesis output.
28~35 29~36
D0 ~ D7
DAO
I
O
26
27
Voice synthesized analog signal is output from
this pin.
External clk input (Crystal oscillator pin.).
Crystal oscillator pin.
Power Supply pin.
Ground pin.
25
−
25
26
28
23
XT
I
XTB
VDD
VSS
O
P
P
28
23
07’/06/20
Page 4 of 19
Ver :1.0
TTELEC [ TT Electronics ]
