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Details, datasheet, quote on part number:YMF262-ME2
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Datasheet text preview:
********** C-MOS 4-OPERATOR FM SOUND GENERATOR
-TOP VIEW4 5 A1 C0 D7 D6 D5 D4 D3 D2 D1 D 0 18 17 16 15 14 13 11 20
YMF262-ME2 (1/2) IL22
I
2V 1 GDD (+5V) RQ OUT 3 IC IN 4 A0 IN 5 A1 IN 6 WR IN 7 RD IN 8 CS IN 9
24 øM IN 23 øSY OUT 22 DOCD OUT 21 DOAB OUT 10 SMPAC OUT
8
D OAB
21 22
19 SMPBD OUT
6
OCD ø
18 D7 I/O 17 D6 I/O
7 2
W S RR øD 4
S
SY
23 10 2 9
SMPAC MPBD I
TEST OUT 1 D0 I/O 10 D1 I/O 11 2 ND
16 D5 I/O 15 D4 I/O 14 D3 I/O 3 D2 I/O CS 1 0 0 0
M
RQ
X WR A0 A1 DXXX 1 0 00 1 0 1 X /1 0 1 0 0
R
MODE IN-ACTIVE MODE ADDRESS WRITE MODE DATA WRITE MODE STATUS READ MODE
; ; MASTER CLOCK (14.32 MHz) CPU INTERFACE ADDRESS SELECT ; CHIP SELECT ; READ ENABLE ; WRITE ENABLE ; INITIAL CLEAR INPUT ; ø UTPUT DAC INTERFACE DATA LATCH SIGNAL I SY ; TIMER INTERRUPT SIGNAL DQ R DOAB ; DAC INTERFACE CH-A, CH-B SERIAL DATA S OCD ; DAC INTERFACE CH-C, CH-D SERIAL DATA SMPAC ; DAC INTERFACE CH-A, CH-C SAMPLE/HOLD I MPBD ; DAC INTERFACE CH-B, CH-D SAMPLE/HOLD ; D PUT/OUTPUT N 0 - D7 CPU INTERFACE DATA BUS ø INPUT AM 0, A1 R CS W D IR O C
1 0 ; LOW LEVEL X ; HIGH LEVEL ; DON'T CARE
YMF262-ME2 (2/2)
10, 11 13-18 D0-D7
REGISTER A RRAY
TIMER
2
IRQ
A0 A1 CS WR RD
4 5 8 6 7
DATA BUS CONTROL
G PHASE ENERATOR
AVIBRATO M MPLITUDE ODULATOR
G NVELOPE E ENELATOR
ACCUMLATOR OPERATOR ACCUMLATOR
21
DOAB
22
DOCD
23 øM 24
CTIMING ONTROL
20 19
øSY SMPAC SMPBD
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