参数资料
型号: SAB-C515-RN
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 6/162页
文件大小: 771K
代理商: SAB-C515-RN
Semiconductor Group
6-60
On-Chip Peripheral Components
C515
Note :Generally, before entering the power-down mode, an A/D conversion in progress must be
stopped. If a single A/D conversion is running, it must be terminated by polling the BSY bit or
waiting for the A/D conversion interrupt. In continuous conversion mode, bit ADM must be
cleared and the last A/D conversion must be terminated before entering the power-down
mode.
A single A/D conversion is started by writing to SFR ADDAT with dummy data. A continuous
conversion is started under the following conditions :
– By setting bit ADM during a running single A/D conversion
– By setting bit ADM when at least one A/D conversion has occured after the last reset
operation.
– By writing ADDAT with dummy data after bit ADM has been set before (if no A/D conversion
has occured after the last reset operation).
When bit ADM is reset by software in continuous conversion mode, the just running A/D conversion
is stopped after its end.
6.4.2.2
A/D Converter Data Register ADDAT
This register holds the result of the 8-bit conversion. The most significant bit of the 8-bit conversion
result is bit 7 and the least significant bit is bit 0 of the ADDAT register. The data remains in ADDAT
until it is overwritten by the next converted data. ADDAT can be read or written under software
control. If the A/D converter of the C515 is not used, register ADDAT can be used as an additional
general purpose register.
Special Function Register ADDAT (Address D9H)
Reset Value : 00H
76543210
D9H
ADDAT
Bit No.
MSB
LSB
.7
.6
.5
.4
.3
.2
.1
.0
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