XRT16C854 Datasheet, PDF (2/54 Pages) Exar Corporation – 2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO

50 RXRDYC#
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#
XR16C854
100-pin QFP
68 Mode
Connect 16/68# pin to GND
2
TXRDYD# 81
RXRDYD# 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# 100
50 RXRDYC#
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#
XR16C854
100-pin QFP
16 Mode
Connect 16/68# pin to VCC
TXRDYD# 81
RXRDYD# 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# 100
xr
REV. 3.0.1
XR16C854/854D
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
FIGURE 2. PIN OUT ASSIGNMENT FOR 100-PIN QFP PACKAGES IN 16 AND 68 MODE