xr16c864iq Exar Corporation, xr16c864iq Datasheet - Page 2

• Manufacturer Part Number: xr16c864iq
• Description: Quad Uart With Rx/tx Fifo Counters And 128-byte Fifo
• Manufacturer: Exar Corporation

XR16C864
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
F
IGURE
RXRDYD#/RXDRQD
RXRDYA#/RXDRQA
RXRDYD#/RXDRQD
RXRDYA#/RXDRQA
TXRDYD#/TXDRQD
TXRDYD#/TXDRQD
2. XR16C864 P
INTSEL
CDD#
CDA#
CDD#
CDA#
RID#
RID#
RXD
VCC
GND
RIA#
RXD
VCC
GND
GND
RIA#
RXA
RXA
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
100
100
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
IN
O
UT
A
SSIGNMENT
Connect 16/68# pin to VCC
Connect 16/68# pin to GND
I
N
16
100-pin QFP
100-pin QFP
XR16C864
XR16C864
AND
16 Mode
68 Mode
2
68 M
ODE
áç
áç
áç
áç
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
CDC#
CLKSEL
RIB#
CDC#
CLKSEL
RIB#
RXRDYC#/RXDRQC
RIC#
RXC
GND
TXRDY#
RXRDY#
RESET
CHCCLK
XTAL2
XTAL1
A0
A1
A2
16/68#
RXB
CDB#
RXRDYB#/RXDRQB
RXRDYC#/RXDRQC
RIC#
RXC
GND
TXRDY#
RXRDY#
RESET#
CHCCLK
XTAL2
XTAL1
A0
A1
A2
16/68#
RXB
CDB#
RXRDYB#/RXDRQB
REV. 2.0.1