XR16M564 Datasheet, PDF (3/55 Pages) Exar Corporation – 1.62V TO 3.63V QUAD UART WITH 32-BYTE FIFO

XR16M564/564D
REV. 1.0.0
1.62V TO 3.63V QUAD UART WITH 32-BYTE FIFO
FIGURE 3. PIN OUT ASSIGNMENT FOR 48-PIN QFN PACKAGE AND 80-PIN LQFP PACKAGE
CTSA# 1
VCC 2
RTSA# 3
INTA 4
CSA# 5
TXA 6
IOW# 7
TXB 8
CSB# 9
INTB 10
RTSB# 11
CTSB# ₁₂
XR16M564
48-pin QFN
36 RXD
35 CTSD#
34 GND
33 RTSD#
32 INTD
31 CSD#
30 TXD
29 IOR#
28 TXC
27 CSC#
26 INTC
25 RTSC#
NC 1
CDD# 2
RID# 3
RXD 4
VCC 5
INTSEL ₆
D0 7
D1 8
D2 9
NC 10
D3 11
D4 12
D5 13
D6 14
D7 ¹⁵
GND 16
RXA 17
RIA# 18
CDA# 19
NC 20
XR16M 564
80- pin LQFP
Intel Mode Only
60 NC
59 CDC#
58 RIC#
57 _RXC
56 GND
55 TXRDY#
54 ^RXRDY#
53 RESET
52 NC
51 XTAL2
50 XTAL1
49 NC
48 A0
47 A1
46 A2
45 VCC
44 RXB
43 RIB#
42 CDB#
41 NC
3