參數(shù)資料
型號: XE8807AMI026TLF
廠商: Semtech
文件頁數(shù): 114/143頁
文件大小: 0K
描述: IC MCU LOW PWR MTP FLASH 32-TQFP
標準包裝: 1
系列: XE880x
應用: 感測機
核心處理器: Coolrisc816?
程序存儲器類型: 閃存(11 kB)
控制器系列: XE8000
RAM 容量: 512 x 8
接口: UART,USRT
輸入/輸出數(shù): 24
電源電壓: 2.4 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-TQFP
包裝: 標準包裝
供應商設備封裝: 32-TQFP(7x7)
產品目錄頁面: 585 (CN2011-ZH PDF)
配用: XE8000MP-ND - PROG BOARD AND PROSTART2 CARD
其它名稱: XE8807AMI026DKR
Semtech 2006
www.semtech.com
12-3
XE8806A/XE8807A
pos.
RegPBOut
rw
reset
description in digital mode
description in analog mode
7 – 0
PBOut[7-0]
r w
0 nresetpconf
Pad PB[7-0] output value
Analog bus selection for pad PB[7-0]
Table 12-2: RegPBOut
pos.
RegPBIn
rw
reset
description in digital mode
description in analog mode
7 – 0
PBIn[7-0]
r w
X
Pad PB[7-0] input status
Unused
Table 12-3: RegPBIn
pos.
RegPBDir
rw
reset
description in digital mode
description in analog mode
7 – 0
PBDir [7-0]
r w
0 nresetpconf
Pad PB[7-0] direction (0=input)
Analog bus selection for pad PB[7-0]
Table 12-4: RegPBDir
pos.
RegPBOpen
rw
reset
description in digital mode
description in analog mode
7 – 0
PBOpen[7-0]
r w
0 nresetpconf
Pad PB[7-0] open drain (1 = open
drain)
Unused
Table 12-5: RegPBOpen
pos.
RegPBPullup
rw
reset
description in digital mode
description in analog mode
7 –0
PBPullup[7]
r w
1 nresetpconf
Pull-up for pad PB[7-0] (1=active)
Connect pad PB[7-0] on selected ana
bus
Table 12-6: RegPBPullup
pos.
RegPBAna
rw
reset
description in digital mode
description in analog mode
7 – 0
PBAna [7-0]
r w
0 nresetpconf
Set PB[7-0] in analog mode
Table 12-7: RegPBAna
Note: Depending on the status of the EnResPConf bit in RegSysCtrl, the reset conditions of the registers are
different. See the reset block documentation for more details on the nresetpconf signal.
12.4
Port B capabilities
Port B
utilization (priority)
name
high
(analog)
medium
(functions)
low
(digital) (default)
PB[7]
analog
uart Rx
I/O (with pull-up)
PB[6]
analog
uart Tx
I/O (with pull-up)
PB[5]
analog
usrt S1
I/O (with pull-up)
PB[4]
analog
usrt S0
I/O (with pull-up)
PB[3]
analog
16 kHz
I/O (with pull-up)
PB[2]
analog
clock CPU
I/O (with pull-up)
PB[1]
analog
PWM1 Counter C (C+D)
I/O (with pull-up)
PB[0]
analog
PWM0 Counter A (A+B)
I/O (with pull-up)
Table 12-8: Different Port B functions
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