Execution Information; Code Example; Figure 11 Code Example For Usage Of Stopxtalosc(); Table 77 Stopxtalosc: Execution Time And Charge Consumption - Infineon SP37 Function Manual

2.16.7

Execution Information

Table 77 StopXtalOsc: Execution Time and Charge Consumption
Parameter
Execution Time
Charge Consumption
2.16.8

Code Example

// Library function prototypes
#include "SP37_ROMLibrary.h"
#include "Reg_SP37.h"
// Defines
#define bitmask_TMOD_CLK 0x08
#define bitmask_RFS_RFSE 0x02
void main()
{
// Return value of stop xtal oscillator is stored in StatusByte
signed char StatusByte;
while (!(RFS & bitmask_RFS_RFSE));
RFC &= ~0x03;
TMOD &= ~bitmask_TMOD_CLK;
StatusByte = StopXtalOsc();
if(StatusByte != -2){
// Xtal oscillator is stopped or was already off
}
}
Figure 11 Code example for usage of StopXtalOsc()
ROM Library Function Guide
Symbol Values
Min. Typ.
t
– 20
Q
– 0,035
Tire Pressure Monitoring Sensor
Unit Note / Test Condition
Max.
22 µs DIVIC = 00
0,058 µC DIVIC = 00
// Wait for RF Transmission to end
// Disable PA & PLL
// Clear TMOD_CLK
// Stop XTAL oscillator
78
ROM Library Functions
H
H
Revision 1.0, 2011-12-15
SP37