15
RCD-M35DAB/M33
TMP91FY27UG (IC402)
TMP91FY27UG Terminal Function
Pin
No.
Port
Function
Port
setting
Port Name Explanation
Output of Standby
& Default
1 AVSS D.GND GND -
2 P70 O Not Used: N. C. L
3 P71 O Not Used: N. C. L
4 P72 O Not Used: N. C. L
5 P73 O Not Used: N. C. L
6 P74 O Not Used: N. C. L
7 INT5 I REQ Interrupt request from TC94A20F -
8 INT6 I REQH Interrupt request from MAIN MPU -
9 XCOUT O REQS Interrupt request to MAIN MPU -
10 P83 O STANDBY STANDBY output to TC94A20F. STB : High, NORMAL : Low H
11 TXD0 O MDO Serial Data output to MAIN MPU -
12 RXD0 I MDI Serial Data input from MAIN MPU -
13 SCLK0 I MSCLK Serial Clock input from MAIN MPU -
14 TXD1 O TX DATA BUS (Flash rom write) DATA output H
15 RXD1 I RX DATA BUS (Flash rom write) DATA input H
16 P95 O Not Used: N. C. -
17 AM0 D3.3v Positive power (D3.3V) -
18 DVcc D3.3v Positive power (D3.3V) -
19 X2 X'TAL (27MHz) Xtal output -
20 DVss D.GND GND -
21 X1 X'TAL (27MHz) Xtal input -
22 AMÇP D3.3V Positive power (D3.3V) -
23 RESET I CDRESET Reset intput from MAIN MPU -
24 P96 O Not Used: N. C. L
25 P77 O Not Used: N. C. L
26 /NMI I D3.3V Positive power (D3.3V) -
27 ALE O Not Used: N. C. -
28 P00 O SEL D.OUT Select output of D. OUT. MP3/WMA :High, CD-DA : Low -
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.
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a
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y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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