HARDWARE
1.4 Pinouts
1.4 Pinouts
Figures 1.4.1 and 1.4.2 show the pinouts of the 7480 Group and 7481 Group, respectively. For the pinouts
of the built-in PROM versions used in the EPROM mode, refer to Section 1.20.1 EPROM mode.
Pinout (top view)
P17/SRDY
P16/SCLK
P15/TXD
P14/RXD
P13/T1
P12/T0
P11
P10
P23/IN3
P22/IN2
P21/IN1
P20/IN0
VREF
XIN
XOUT
VSS
1
32
2
31
3
30
4
29
5
28
6
27
7
26
8
25
9
24
10
23
11
22
12
21
13
20
14
19
15
18
16
17
Outline 32P4B V1
P07
P06
P05
P04
P03
P02
P01
P00
P41/CNTR1
P40/CNTR0
P33
P32
P31/INT1
P30/INT0
RESET
VCC
P17/SRDY
P16/SCLK
P15/TXD
P14/RXD
P13/T1
P12/T0
P11
P10
P23/IN3
P22/IN2
P21/IN1
P20/IN0
VREF
XIN
XOUT
VSS
1
32
2
31
3
30
4
29
5
28
6
27
7
26
8
25
9
24
10
23
11
22
12
21
13
20
14
19
15
18
16
17
Outline 32P2W-AV2
P07
P06
P05
P04
P03
P02
P01
P00
P41/CNTR1
P40/CNTR0
P33
P32
P31/INT1
P30/INT0
RESET
VCC
V 1: The M37480M2T-XXXSP, M37480M4-XXXSP and M37480M4T-XXXSP are also included in the 32P4B packages,
respectively. All of these products are pin-compatible.
2: The M37480M2T-XXXFP, M37480M4-XXXFP and M37480M4T-XXXFP are also included in the 32P2W-A packages,
respectively. All of these products are pin-compatible.
Note: The only differences between the 32P4B package product and the 32P2W-A package product are package outline and
absolute maximum ratings.
Figure 1.4.1 Pinout of 7480 Group (top view)
1-8
7480 Group and 7481 Group User's Manual