参数资料
型号: XR82C684CJTR/44-F
厂商: Exar Corporation
文件页数: 82/107页
文件大小: 0K
描述: IC UART CMOS QUAD 44PLCC
标准包装: 500
特点: *
通道数: 4,QUART
FIFO's: 3 字节
电源电压: 5V
安装类型: 表面贴装
封装/外壳: 44-LCC(J 形引线)
供应商设备封装: 44-PLCC(16.59x16.59)
包装: 带卷 (TR)
XR82C684
B.
Output Port
Alternate Function(s)
+
TXCC_1X:
8 %( '6
TXCC_16X:
.8 %( '6 7
RXCC_1X:
) 8 '( '6
+
TXCD_1X:
! 8 %( '6
RXCD_1X:
) 8 '( '6
C/T2_RDY:
-( & * - D Note: This output is an Open-Drain output
when used as the Counter/Timer Ready Output.
+
RXRDY/-FFULL_C:
'( &-$ $(' Note: This is an Open-Drain,
Active-low output for the RXRDY/FFULL_C function.
+4
RXRDY/-FFULL_D:
'( &-$ $(' Note: This is an Open-Drain,
Active-low output for the RXRDY/FFULL_D function.
+@
-TXRDY_C:
%( & $(' (% (% !(# '( 3 *
8!HG *'(
+9
-TXRDY_D:
! %( & $(' (% (% !(# '( 3 *
8!HG! *'(
Note: The “shaded” Output Port pin alternate functions are only available in the 68 pin PLCC package option.
Table 22. Listing of the Alternate Functions for the Output Port
& * '( % * ( % + (% % ' & 3((, (
+% ( * * % 3 ,(%% * 3%
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
OP7
OP6
OP5
OP4
OP3
OP2
L +PBQ
L 8!H)
L +P.Q
L 8!H
L +P9Q
L 8!H-<<)
L +P@Q
L 8!H-<<
L +P4Q
L - D
L 8) 8
L +PQ
L 8 .8
L 8 8
Table 23. Output Port Configuration Register 1 - OPCR1
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
OP15
OP14
OP13
OP12
OP11
OP10
L +PBQ
L 8!H!
L +P.Q
L 8!H
L +P9Q
L 8!H-<<!
L +P@Q
L 8!H-<<
L +P4Q
L - D
L 8! 8
L +PQ
L 8 .8
L 88
Table 24. Output Port Configuration Register 2 - OPCR2
Note: the OPCRs only addresses the alternate functions for Output Port pins, OP2 - OP7 and OP10 - OP15. OP0, OP1,
OP8 and OP9 assume their RTS roles if either MR1n[7] = 1 or MR2n[5] = 1. Setting those Mode Register bits enables the
RTS function. Otherwise, these two ports will only be General Purpose Output Ports.
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