CY22393的应用。
第一步：
用CyclocksRT 软件设置好需要产生的频率等参数。生成配置文件。
第二步：
用CY3672（编程器）+CY3672ADP003（IC 座）将配置文件烧录。或用第三方烧录器如河洛等烧录。
最后焊接到板子上就可以应用了。
原理图连接：
Pin16 --VCC（或IO 控制），Pin15（S2）---GND，Pin12/Pin13--I2C线上拉。
如下为调试成功的I2C 控制
/*
CY22393
*/
#define CY22393_ADDR 0x69
#define CY22393_I2C_ADDR CY22393_ADDR
#define CY22393_PLL_ENABLE 0x40 //bit6
//#define CY22393_PLL_DISABLE 10111111B //0xBF//bit6
#define CY22393_PLL_DISABLE 0xBF //0xBF//bit6
//REG
#define CY22393_REG_CLKA_DIVIDE 0x08 //divsel:0
//#define CY22393_REG_CLKA_DIVIDE 0x09 //divsel:1
#define CY22393_REG_CLKB_DIVIDE 0x0A //divsel:0
//#define CY22393_REG_CLKB_DIVIDE 0x0B //divsel:1
#define CY22393_REG_CLKD_DIVIDE 0x0D //
#define CY22393_REG_DIVIDE 0x0C //CLKC
#define CY22393_REG_SOURCE 0x0E
#define CY22393_REG_PLLP 0x4A
#define CY22393_REG_PLLQ 0x49
#define CY22393_REG_PLLE 0x4B
#define CY22393_REG_PLLP0 0x41
#define CY22393_REG_PLLQ0 0x40
#define CY22393_REG_PLLE0 0x42
#define CY22393_REG_PLLP1 0x44
#define CY22393_REG_PLLQ1 0x43
#define CY22393_REG_PLLE1 0x45
#define CY22393_REG_PLLP2 0x47
#define CY22393_REG_PLLQ2 0x46
#define CY22393_REG_PLLE2 0x48
#define CY22393_REG_AC 0x0F
#define CY22393_REG_DC 0x10
#define CY22393_REG_PLL2P 0x12
#define CY22393_REG_PLL2Q 0x11
#define CY22393_REG_PLL2E 0x13
//Data
#define CY22393_PLLE_200M_200K 0x58
#define CY22393_PLL2E_200M_200K 0x40
#define CY22393_SOURCE_PLL 0x55 //DCBA PLL1:01
#define CY22393_SOURCE_REF 0x45 //DCBA ref:00
#define CY22393_SOURCE_REF 0x45 //DCBA ref:00
#define CY22393_SOURCE_PLL2 0x65 //DCBA PLL2:10
#define CY22393_AC 0x55
#define CY22393_DC 0x55
//divide
#define CY22393_DIVIDE_200M 2
#define CY22393_DIVIDE_100M 4
#define CY22393_DIVIDE_80M 5
#define CY22393_DIVIDE_40M 10
#define CY22393_DIVIDE_20M 1
#define CY22393_DIVIDE_8M 25//41
#define CY22393_DIVIDE_4M 5
#define CY22393_DIVIDE_2M 10
#define CY22393_DIVIDE_800K 25
#define CY22393_DIVIDE_400K 50
#define CY22393_DIVIDE_200K 100
#define CY22393_DIVIDE_OFF 00//close clk ouput
//P
#define CY22393_PLLP_200M 40
#define CY22393_PLLP_100M 40
#define CY22393_PLLP_80M 40
#define CY22393_PLLP_40M 40
#define CY22393_PLLP_20M 0
#define CY22393_PLLP_8M 7//82
#define CY22393_PLLP_4M 0
#define CY22393_PLLP_2M 0
#define CY22393_PLLP_800K 0
#define CY22393_PLLP_400K 0
#define CY22393_PLLP_200K 0
//Q
#define CY22393_PLLQ_200M 2
#define CY22393_PLLQ_100M 2
#define CY22393_PLLQ_80M 2
#define CY22393_PLLQ_40M 2
#define CY22393_PLLQ_20M 0
#define CY22393_PLLQ_8M 0//5
#define CY22393_PLLQ_4M 0
#define CY22393_PLLQ_2M 0
#define CY22393_PLLQ_800K 0
#define CY22393_PLLQ_400K 0
#define CY22393_PLLQ_200K 0
void CY22393Init(void)
{
//#if 1
// set dividers to default
CY22393WriteReg(CY22393_REG_PLLE, CY22393_PLLE_200M_200K&CY22393_PLL_DISABLE);
CY22393WriteReg(CY22393_REG_PLLE0, CY22393_PLLE_200M_200K&CY22393_PLL_DISABLE);
CY22393WriteReg(CY22393_REG_PLLE1, CY22393_PLLE_200M_200K&CY22393_PLL_DISABLE);
CY22393WriteReg(CY22393_REG_PLLE2, CY22393_PLLE_200M_200K&CY22393_PLL_DISABLE);
//CLK output OFF
CY22393WriteReg(CY22393_REG_CLKA_DIVIDE,CY22393_DIVIDE_OFF);
CY22393WriteReg(CY22393_REG_CLKB_DIVIDE,CY22393_DIVIDE_OFF);
CY22393WriteReg(CY22393_REG_CLKD_DIVIDE,CY22393_DIVIDE_OFF);
//CLKC
// CY22393WriteReg(CY22393_REG_DIVIDE,CY22393_DIVIDE_2M);
CY22393WriteReg(CY22393_REG_DIVIDE,CY22393_DIVIDE_OFF);
CY22393WriteReg(CY22393_REG_SOURCE, CY22393_SOURCE_REF);
CY22393WriteReg(CY22393_REG_AC, CY22393_AC);
CY22393WriteReg(CY22393_REG_DC, CY22393_DC);
//
CY22393WriteReg(CY22393_REG_PLLP, CY22393_PLLP_2M);
CY22393WriteReg(CY22393_REG_PLLQ, CY22393_PLLQ_2M);
CY22393WriteReg(CY22393_REG_PLLE, CY22393_PLLE_200M_200K);
//#endif
}
void CY22393SetFreq(u8 divide,u8 source,u8 PLLP,u8 PLLQ)
{
//#if 1
// set dividers to default
CY22393WriteReg(CY22393_REG_PLLE, CY22393_PLLE_200M_200K&CY22393_PLL_DISABLE);
CY22393WriteReg(CY22393_REG_PLLE0, CY22393_PLLE_200M_200K&CY22393_PLL_DISABLE);
CY22393WriteReg(CY22393_REG_PLLE1, CY22393_PLLE_200M_200K&CY22393_PLL_DISABLE);
CY22393WriteReg(CY22393_REG_PLLE2, CY22393_PLLE_200M_200K&CY22393_PLL_DISABLE);
CY22393WriteReg(CY22393_REG_PLL2E, CY22393_PLL2E_200M_200K&CY22393_PLL_DISABLE);
//CLK output OFF
CY22393WriteReg(CY22393_REG_CLKA_DIVIDE,CY22393_DIVIDE_OFF);
CY22393WriteReg(CY22393_REG_CLKB_DIVIDE,CY22393_DIVIDE_OFF);
CY22393WriteReg(CY22393_REG_CLKD_DIVIDE,CY22393_DIVIDE_OFF);
//CLKC
CY22393WriteReg(CY22393_REG_DIVIDE,divide);
CY22393WriteReg(CY22393_REG_SOURCE, source);
CY22393WriteReg(CY22393_REG_AC, CY22393_AC);
CY22393WriteReg(CY22393_REG_DC, CY22393_DC);
//
//if(divide==CY22393_DIVIDE_8M)
if(PLLP==CY22393_PLLP_8M)
{
CY22393WriteReg(CY22393_REG_PLL2P, PLLP);
CY22393WriteReg(CY22393_REG_PLL2Q, PLLQ);
CY22393WriteReg(CY22393_REG_PLL2E, CY22393_PLL2E_200M_200K);
}
else
{
CY22393WriteReg(CY22393_REG_PLLP, PLLP);
CY22393WriteReg(CY22393_REG_PLLQ, PLLQ);
CY22393WriteReg(CY22393_REG_PLLE, CY22393_PLLE_200M_200K);
}
//#endif
}
void CY22393WriteReg(u8 addr, u8 data)
{
u8 packet[2];
// prepare write packet
packet[0] = addr;
packet[1] = data;
// write to device
I2cMasterSend(CY22393_I2C_ADDR, 2, packet);
}
void I2cMasterSend(uint8_t RegAddr,uint8_t num,uint8_t *pData)
{
uint8_t i;
RegAddr <<= 1;//device addr:D6~D0,R/W
fnI2CStart();
fnI2CWriteData(RegAddr); //device addr:D6~D0,R/W
for(i=0;i<num;i++)
{
fnI2CWriteData((uint8_t)(*(pData+i)));//reg addr/reg data
}
fnI2CStop();
}
void fnI2CStart(void)
{
GPIO_SetBits(GPIO_PORT_CYPRESS_SCLK,GPIO_PIN_CYPRESS_SCLK);
GPIO_SetBits(GPIO_PORT_CYPRESS_SDAT,GPIO_PIN_CYPRESS_SDAT);
GPIO_ResetBits(GPIO_PORT_CYPRESS_SDAT,GPIO_PIN_CYPRESS_SDAT);
GPIO_ResetBits(GPIO_PORT_CYPRESS_SDAT,GPIO_PIN_CYPRESS_SDAT);
GPIO_ResetBits(GPIO_PORT_CYPRESS_SDAT,GPIO_PIN_CYPRESS_SDAT);
GPIO_ResetBits(GPIO_PORT_CYPRESS_SDAT,GPIO_PIN_CYPRESS_SDAT);
}
void fnI2CStop(void)
{
GPIO_SetBits(GPIO_PORT_CYPRESS_SCLK,GPIO_PIN_CYPRESS_SCLK);
GPIO_ResetBits(GPIO_PORT_CYPRESS_SDAT,GPIO_PIN_CYPRESS_SDAT);
GPIO_ResetBits(GPIO_PORT_CYPRESS_SDAT,GPIO_PIN_CYPRESS_SDAT);
GPIO_ResetBits(GPIO_PORT_CYPRESS_SDAT,GPIO_PIN_CYPRESS_SDAT);
GPIO_SetBits(GPIO_PORT_CYPRESS_SDAT,GPIO_PIN_CYPRESS_SDAT);
}
void fnI2CWriteData(uint8_t nData)
{
unsigned char i;
unsigned char nBit;
nBit = 0x80;
for (i = 0; i < 8; i++)
{
// Prepare data.
if (nData & nBit)
{
GPIO_SetBits(GPIO_PORT_CYPRESS_SDAT,GPIO_PIN_CYPRESS_SDAT);
}
else
{
GPIO_ResetBits(GPIO_PORT_CYPRESS_SDAT,GPIO_PIN_CYPRESS_SDAT);
}
// Toggle clock.
GPIO_ResetBits(GPIO_PORT_CYPRESS_SCLK,GPIO_PIN_CYPRESS_SCLK);
GPIO_SetBits(GPIO_PORT_CYPRESS_SCLK,GPIO_PIN_CYPRESS_SCLK);
GPIO_SetBits(GPIO_PORT_CYPRESS_SCLK,GPIO_PIN_CYPRESS_SCLK);
GPIO_SetBits(GPIO_PORT_CYPRESS_SCLK,GPIO_PIN_CYPRESS_SCLK);
GPIO_ResetBits(GPIO_PORT_CYPRESS_SCLK,GPIO_PIN_CYPRESS_SCLK);
nBit >>= 1;
}
/*ACK*/
GPIO_ResetBits(GPIO_PORT_CYPRESS_SDAT,GPIO_PIN_CYPRESS_SDAT);//ACK:"0"
GPIO_ResetBits(GPIO_PORT_CYPRESS_SCLK,GPIO_PIN_CYPRESS_SCLK);
GPIO_SetBits(GPIO_PORT_CYPRESS_SCLK,GPIO_PIN_CYPRESS_SCLK);
GPIO_SetBits(GPIO_PORT_CYPRESS_SCLK,GPIO_PIN_CYPRESS_SCLK);
GPIO_SetBits(GPIO_PORT_CYPRESS_SCLK,GPIO_PIN_CYPRESS_SCLK);
GPIO_ResetBits(GPIO_PORT_CYPRESS_SCLK,GPIO_PIN_CYPRESS_SCLK);
}