参数资料
型号: P83CL882
厂商: NXP Semiconductors N.V.
英文描述: 80C51 Ultra Low Power ULP telephony controller
中文描述: 80C51的超低功耗无铅汽油电话控制器
文件页数: 13/88页
文件大小: 328K
代理商: P83CL882
2001 Jun 19
13
Philips Semiconductors
Product specification
80C51 Ultra Low Power (ULP) telephony controller
P83CL882
6.1.5
S
YSTEM
C
ONTROL
R
EGISTER
(SYSCON)
Table 8
System Control Register (SFR address B4H)
Table 9
Description of SYSCON bits
7
6
5
4
3
2
1
0
T1SRC1
T1SRC0
T0SRC1
T0SRC0
SELECT
XTM
BIT
SYMBOL
DESCRIPTION
7
6
5
4
3
2
1
0
T1SRC1
T1SRC0
T0SRC1
T0SRC0
These 2 bits select the clock source for Timer 1; see Table 3.
These 2 bits select the clock source for Timer 0; see Table 4.
do not use
SELECT
XTM
comparator select bit; see Table 2
oscillator disable bit; see Table 2
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