參數(shù)資料
型號： P89V664FBC,557
廠商： NXP Semiconductors
文件頁數(shù)： 57/90頁
文件大?。?/td> 0K
描述： IC 80C51 MCU FLASH 64K 44-TQFP
產(chǎn)品培訓模塊： Migrating from 8/16-Bit MCUs to 32-Bit ARMs
標準包裝： 800
系列： 89V
核心處理器： 8051
芯體尺寸： 8-位
速度： 40MHz
連通性： I²C，SPI，UART/USART
外圍設備： POR，PWM，WDT
輸入/輸出數(shù)： 36
程序存儲器容量： 64KB（64K x 8）
程序存儲器類型： 閃存
RAM 容量： 2K x 8
電壓 - 電源 (Vcc/Vdd)： 4.5 V ~ 5.5 V
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 44-TQFP
包裝： 托盤
產(chǎn)品目錄頁面： 706 (CN2011-ZH PDF)
配用： 622-1001-ND - USB IN-CIRCUIT PROG 80C51ISP
其它名稱： 568-2437
935280835557
P89V664FBC
P89V660_662_664
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 3.1 — 17 October 2011
60 of 90
NXP Semiconductors
P89V660/662/664
80C51 with 512 B/1 kB/2 kB RAM, dual I2C-bus, SPI
6.10.1 PCA capture mode
To use one of the PCA modules in the capture mode (Figure 28) either one or both of the
CCAPM bits CAPN and CAPP for that module must be set. The external CEX input for the
module (on port 1) is sampled for a transition. When a valid transition occurs the PCA
hardware loads the value of the PCA counter registers (CH and CL) into the module’s
capture registers (CCAPnL and CCAPnH).
Table 50.
CCAPMn - PCA modules compare/capture register (address CCAPM0 0C2H,
CCAPM1 0C3H, CCAPM2 0C4H, CCAPM3 0C5H, CCAPM4 0C6H) bit allocation
Not bit addressable; Reset value: 00H
Bit
7
6
5
4
3
2
1
0
Symbol
-
ECOMn
CAPPn
CAPNn
MATn
TOGn
PWMn
ECCFn
Table 51.
CCAPMn - PCA modules compare/capture register (address CCAPM0 0C2H,
CCAPM1 0C3H, CCAPM2 0C4H, CCAPM3 0C5H, CCAPM4 0C6H) bit description
Bit
Symbol
Description
7
-
Reserved for future use. Should be set to ‘0’ by user programs.
6
ECOMn
Enable Comparator. ECOMn = 1 enables the comparator function.
5
CAPPn
Capture Positive, CAPPn = 1 enables positive edge capture.
4
CAPNn
Capture Negative, CAPNn = 1 enables negative edge capture.
3
MATn
Match. When MATn = 1 a match of the PCA counter with this module’s
compare/capture register causes the CCFn bit in CCON to be set,
flagging an interrupt.
2
TOGn
Toggle. When TOGn = 1, a match of the PCA counter with this
module’s compare/capture register causes the CEXn pin to toggle.
1
PWMn
Pulse Width Modulation mode. PWMn = 1 enables the CEXn pin to be
used as a pulse width modulated output.
0
ECCFn
Enable CCF Interrupt. Enables compare/capture flag CCFn in the
CCON register to generate an interrupt.
Table 52.
PCA module modes (CCAPMn register)
ECOMn
CAPPn
CAPNn
MATn
TOGn
PWMn
ECCFn
Module function
00
0no operation
x
1
0
x
16-bit capture by a positive-edge trigger on
CEXn
x
0
1
0
x
16-bit capture by a negative-edge trigger on
CEXn
x
1
0
x
16-bit capture by any transition on CEXn
10
01
00
x
16-bit software timer
1
0
1
0
x
16-bit high-speed output
10
00
01
08-bit PWM
1
0
1
x
0
x
watchdog timer
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