XR16C864IQ-F Datasheet, PDF (2/51 Pages) Exar Corporation – 2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO

50 RXRDYC#/RXDRQC
49 CDC#
48 RIC#
47 RXC
46 GND
45 TXRDY#
44 RXRDY#
43 RESET#
42 CHCCLK
41 XTAL2
40 XTAL1
39 A0
38 A1
37 A2
36 16/68#
35 CLKSEL
34 RXB
33 RIB#
32 CDB#
31 RXRDYB#/RXDRQB
XR16C864
100-pin QFP
68 Mode
Connect 16/68# pin to GND
2
TXRDYD#/TXDRQD 81
RXRDYD#/RXDRQD 82
CDD# 83
RID# 84
RXD 85
VCC 86
GND 87
D0 88
D1 89
D2 90
D3 91
D4 92
D5 93
D6 94
D7 95
GND 96
RXA 97
RIA# 98
CDA# 99
RXRDYA#/RXDRQA 100
REV. 2.2.0
50 RXRDYC#/RXDRQC
49 CDC#
48 RIC#
47 RXC
46 GND
45 TXRDY#
44 RXRDY#
43 RESET
42 CHCCLK
41 XTAL2
40 XTAL1
39 A0
38 A1
37 A2
36 16/68#
35 CLKSEL
34 RXB
33 RIB#
32 CDB#
31 RXRDYB#/RXDRQB
XR16C864
100-pin QFP
16 Mode
Connect 16/68# pin to VCC
TXRDYD#/TXDRQD 81
RXRDYD#/RXDRQD 82
CDD# 83
RID# 84
RXD 85
VCC 86
INTSEL 87
D0 88
D1 89
D2 90
D3 91
D4 92
D5 93
D6 94
D7 95
GND 96
RXA 97
RIA# 98
CDA# 99
RXRDYA#/RXDRQA 100
XR16C864
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
FIGURE 2. XR16C864 PIN OUT ASSIGNMENT IN 16 AND 68 MODE