XR16M580IM48-0A Datasheet, PDF (2/56 Pages) Exar Corporation – 1.62V TO 3.63V HIGH PERFORMANCE UART WITH 16-BYTE FIFO

XR16M580
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 16-BYTE FIFO
REV. 1.0.0
FIGURE 2. PIN OUT ASSIGNMENT FOR 32-PIN QFN AND 48-PIN TQFP PACKAGES IN 16 AND 68 MODE
24 23 22 21 20 19 18 17
DSR# 25
CD# 26
RI# ₂₇
VCC ₂₈
D0 29
D1 ³⁰
D2 ³¹
D3 32
32- pin QFN in
Intel Bus Mode
16 NC
15 NC
14 IOR #
13 _GND
12 IOW #
11 XTAL 2
10 XTAL 1
9 PwrSave
12345678
24 23 22 21 20 19 18 17
DSR# 25
CD# 26
RI# ₂₇
VCC ₂₈
D0 29
D1 ³⁰
D2 ³¹
D3 32
32-pin QFN in
Motorola Bus
Mode
12345678
16 NC
15 NC
14 IOR#
13 _GND
12 R/W#
11 XTAL 2
10 XTAL 1
9 PwrSave
VCC
VCC
GND
NC
CTS#
DSR#
CD#
RI#
VCC
D0
D1
D2
D3
D4
NC
36 35 34 33 32 31 30 29 28 27 26 25
37
24
38
23
39
22
40
21
41
20
42
48-TQFP in
19
43 _{Intel Bus Mode} 18
44
17
45
16
46
15
47
14
48
13
1 2 3 4 5 6 7 8 9 10 11 12
NC
NC
NC
NC
NC
IOR#
GND
NC
IOW#
XTAL2
XTAL1
PwrSave
VCC
NC
CTS#
DSR#
CD#
RI#
VCC
D0
D1
D2
D3
D4
NC
36 35 34 33 32 31 30 29 28 27 26 25
37
24
38
23
39
22
40
21
41
20
42 ^{48-TQFP in}
19
43 _{Motorola Bus Mode} 18
44
17
45
16
46
15
47
14
48
13
1 2 3 4 5 6 7 8 9 10 11 12
NC
NC
NC
NC
NC
IOR#
GND
NC ^VCC
R/W#
XTAL2
XTAL1
PwrSave
GND
2