參數(shù)資料
型號: P90CE201AEB
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 16-bit microcontroller
中文描述: 16-BIT, 24 MHz, MICROCONTROLLER, PQFP64
封裝: PLASTIC, QFP-64
文件頁數(shù): 25/77頁
文件大?。?/td> 235K
代理商: P90CE201AEB
August 1993
25
Philips Semiconductors
Product specification
16-bit microcontroller
P90CE201
Note
1.
All bits of this register have a default value of logic 0 except TOED1 which has a default value of logic 1.
Table 13
Selection of basic peripheral clock for BPCLK = 4 MHz.
Table 14
Selection of input trigger for T0.
T1PS
SYSCON2.1
This bit enables or disables the prescaler for Timer 1. If T1PS = 0; the prescaler is
disabled and the timer operates at a frequency of f
XTAL
/2. If T1PS = 1; the prescaler
is enabled and the timer operates at a frequency of f
XTAL
/32.
This bit selects whether bit 5 of the general purpose port acts as a port or as an
input to Timer 1. If T1PO = 0; bit 5 of the general purpose port acts as a port. If
T1PO = 1; bit 5 of the general purpose port acts as an input to Timer 1.
T1PO
SYSCON2.0
PSBPCLK1
PSBPCLK0
DIVISOR
f
XTAL
(MHz)
24
20
16
12
0
0
1
1
0
1
0
1
3.0
2.5
2.0
1.5
TOED1
TOED0
TRANSITION
0
0
1
0
1
0
Edge detection disabled
LOW-to-HIGH transitions will be monitored.
HIGH-to-LOW transitions will be monitored. This is the default value after a reset
operation.
Any transition will be monitored.
1
1
SYMBOL
BIT
FUNCTION
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