UPSD HARDWARE DESCRIPTION . 8
Figure 1. uPSD32xx Functional Modules?? . 8
Special Function Registers (SFR)?? 9
MCU Module Registers?? . . . 9
PSD Module Registers?? . . . 9
Figure 2. Memory Map and Address Space? . . . . 9
Table 1. SFR Memory Map? . . . 10
Table 2. PSD Module Register Address Offset? 11
MCU MODULE. . . . 13
TIMERS/COUNTERS?? . 14
Timer 0 and Timer 1? . . . . 14
Mode 0. . . 14
Figure 3. Timer/Counter Mode 0: 13-bit Counter? 14
Mode 1. . . 14
Mode 2. . . 15
Figure 4. Timer/Counter Mode 2: 8-bit Auto-reload? . 15
Mode 3. . . 15
Figure 5. Timer/Counter Mode 3: Two 8-bit Counters. . 15
Timer 2 . . 16
16-bit Capture. . 16
Figure 6. Timer 2 in Capture Mode? 16
16-bit Auto-reload?? . 17
Figure 7. Timer 2 in Auto-Reload Mode?? . 17
Baud Rate Generator?? . . . 17
Special Function Registers for Use with the Timers. 18
Table 3. Control Register for Timer0 and Timer1 (TCON)? 18
Table 4. Timer Mode Register for Timer0 and Timer1 (TMOD) . 18
Table 5. Control Register for Timer2 (T2CON)? 18
INTERRUPT SYSTEM? . 19
Figure 8. Interrupt System? . . . . 19
Table 6. Special Function Registers for Use with the Interrupt System . 20
Interrupt Priority?? . 20
Table 7. Priority Levels and Vector Addresses? 20
Interrupt Enable Structure? . . . 21
Table 8. Description of the IE Bits?? 21
Table 9. Description of the IEA Bits?? . . . . 21
PULSE WIDTH MODULATION (PWM)? 22
Figure 9. Four-Channel, 8-bit PWM Block Diagram? . 22
How to Determine the Pulse-width-ratio of the PWM Output? 23
How to Determine the Repetition Frequency of the PWM Output . 23
How to Determine the Polarity of the PWM Output. . 23
How to Determine the Input Clock Frequency to the 8-bit counter of PWM4? . . . 23
How to Determine the Period and Pulse Width of the PWM4 Output? 23
Figure 10.PWM4 With Programmable Pulse Width and Frequency? . . 23
How to Determine the Polarity of the PWM4 Output. 23
Figure 11.Programmable PWM4 Channel Block Diagram?? 24
Table 10. Special Function Registers for Use with the PWM? . . . 25
SUPERVISORY FUNCTION (LVD AND WATCHDOG)? . 26
Figure 12.RESET Configuration? 26
Watchdog Timer – SFR?? . 26
Table 11. Description of the WDRST Bits?? 26
Table 12. Description of the WDKEY Bits?? 26
Figure 13.RESET Pulse Width? . 27
STANDARD SERIAL INTERFACE UART?? . . 28
Table 13. Description of the SCON and SCON2 Bits? 28
Four Operation Modes?? . 29
Mode 0. . . 29
Figure 14.Serial Port Mode 0 Waveforms?? 29
Mode 1. . . 29
Figure 15.Serial Port Mode 1 Waveforms?? 29
Mode 2. . . 30
Figure 16.Serial Port Mode 2 Waveforms?? 30
Mode 3. . . 30
Figure 17.Serial Port Mode 3 Waveforms?? 30
UART Baud Rates?? 31
Using Timer 1 to Generate Baud Rates?? . 31
Using Timer 2 to Generate Baud Rates?? . 31
POWER-SAVING MODES?? . . 32
Table 14. Changes of Activity on Entering a Power-Saving Mode? 32
Idle Mode 32
Table 15. Power Control Register, PCON? 32
Power-down Mode? 33
I2C BUS INTERFACE?? . 34
Figure 18.Block Diagram of the I2C Bus Serial I/O? . . 34
S1CON or S2CON,?? 35
Table 16. Serial Control Register (S1CON, S2CON)? 35
Table 17. Description of the S1CON and S2CON Bits. . 35
S1STA or S2STA,?? . 36
Table 18. Serial Status Register (S1STA, S2STA)? . . 36
Table 19. Description of the S1STA and S2STA Bits? 36
S1DAT or S2DAT,?? . 36
Table 20. Data Shift Register (S1DAT, S2DAT)? 36
S1ADR or S2ADR,?? 36
Table 21. Address Register (S1ADR, S2ADR)? . 36
USB BUS. . . . 37
Summary of the USB Standard?? . 37
Figure 19.USB Bus Topology? . . 37
Figure 20.USB Bulk Transaction – 1?? . . . . 38
Table 22. USB Bulk Transaction? 38
Figure 21.USB Bulk Transaction – 2?? . . . . 38
Figure 22.USB Interrupt Transaction? . . . . 39
USB Low-speed Device? . 40
Figure 23.Device Termination – Full-speed . . . . 40
Figure 24.Device Termination – Low-speed? . . . 40
Figure 25.USB Input/Output Design inside the uPSD32xxA? . . . . 41
Figure 26.Typical USB Connection Circuit for 5V (uPSD32xx) Systems . 41
Special Control Registers . . . . 42
Table 23. USB SFR Memory Map?? . 42
Table 24. USB Address Register (UADR: 0EEh)? 43
Table 25. Description of the UADR Bits? . . 43
Table 26. USB Interrupt Enable Register (UIEN: 0E9h). 43
Table 27. Description of the UIEN Bits?? . . 43
Table 28. USB Interrupt Status Register (UISTA: 0E8h). 44
Table 29. Description of the UISTA Bits?? . 44
Table 30. USB Endpoint0 Transmit Control Register (UCON0: 0EAh)? 45
Table 31. Description of the UCON0 Bits?? 45
Table 32. USB Endpoint1 (and 2) Transmit Control Register (UCON1: 0EBh)?? . 46
Table 33. Description of the UCON1 Bits?? 46
Table 34. USB Control Register (UCON2: 0ECh)? 46
Table 35. Description of the UCON2 Bits?? 46
Table 36. USB Endpoint0 Status Register (USTA: 0EDh)? . 47
Table 37. Description of the USTA Bits?? . . 47
Table 38. USB Endpoint0 Data Receive Register (UDR0: 0EFh)? 47
Table 39. USB Endpoint0 Data Transmit Register (UDT0: 0E7h)? 47
Table 40. USB Endpoint1 Data Transmit Register (UDT1: 0E6h)? 47
Table 41. USB Prescaler Register (USCL: 0E1h)? 47
DDC INTERFACE. . 48
Figure 27.DDC Interface Block Diagram?? . 48
Table 42. DDCCON Register (DDCCON)?? 49
Table 43. Description of the DDCCON Register Bits . 49
Table 44. SWNEB Bit Function? . 50
Figure 28.Transmit Mode Waveform? . . . . 50
Figure 29.Read Mode Sequence 51
Figure 30.Transmission Protocol in the DDC1 Interface. 52
ON-CHIP OSCILLATOR CIRCUIT? . 53
Figure 31.Pierce Oscillator? . . . . 53
Figure 32.Driving μPSD Clock from an Oscillator or an External Source? 53
ANALOG-TO-DIGITAL CONVERTOR (ADC)? . . . . 54
Figure 33.A/D Block Diagram? . . 54
ADC-Related Special Function Registers? . . . 55
Table 45. ADC Special Function Register, Memory Map55
Table 46. Description of the ACON Bits?? . 55
ADC Interrupts. 55
I/O PORTS (MCU MODULE)? . 56
Table 47. I/O Port Functions? . . . 56
Table 48. P1SFS (91h)?? . . 56
Table 49. P3SFS (93h)?? . . 56
Table 50. P4SFS (94h)?? . . 56
PSD MODULE.. . . . 57
MEMORY BLOCKS.58
Primary Flash Memory and Secondary Flash Memory?? 58
Ready/Busy (PC3)? . 58
Flash Memory Sector Protect? . . 58
Table 51. Flash Protection Register?? . . . . 58
Table 52. Secondary Flash Protection Register? 58
Table 53. Instructions?? . . . 59
SRAM . . . 60
Memory Addressing?? . . . 60
Priority . . . 60
Figure 34.Priority Level of Memory and I/O Components in the PSD Module?? . 60
VM Register.. . . 60
Table 54. VM Register?? . . . 60
Figure 35.Combined Space Mode? . 61
Flexibility . 61
Figure 36.Different Splits of Memory to Meet Application Demands? . . 61
Page Register. . 62
Figure 37.Page Register Increases the Effective Core Space? . . 62
PLD BLOCKS 63
Figure 38.PLD Diagram? . . 63
Table 55. DPLD and CPLD Inputs? . 64
Decode PLD (DPLD)?? . . . 65
Figure 39.Decode PLD (DPLD)? . 65
Complex PLD (CPLD)?? . . 66
Figure 40.Macrocell and I/O Port 66
Output Macrocells (OMC)? . . . . 67
Figure 41.CPLD Output Macrocell? . 67
Product Term Allocator? . 68
Input Macrocells (IMC)?? . 68
Figure 42.Input Macrocell?? 68
I/O PORTS. . . 69
Figure 43.General I/O Port Architecture?? . 69
Port Operating Modes?? . . 70
Table 56. Port Operating Modes? 70
Table 57. Port Operating Mode Settings?? . 70
PLD I/O Mode. . 71
Address Out Mode? . 71
Peripheral I/O Mode?? . . . . 71
Figure 44.Peripheral I/O Mode? . 71
Port Configuration Registers (PCR)?? . . 72
Table 58. Port Configuration Registers (PCR) . . 72
Table 59. Port Pin Direction Control, Output Enable P.T. Defined? 72
Table 60. Drive Register Pin Assignment?? 72
Port Data Registers?? . . . . 73
Data In . . . 73
Data Out Register?? . 73
Output Macrocells (OMC)?? 73
OMC Mask Register?? . . . . 73
Input Macrocells (IMC)?? . . 73
Enable Out.. . . . 73
Table 61. Port Data Registers? . . 73
Ports A and B.. 74
Figure 45.Port A and Port B Structure? . . . 74
Port C . . . 75
Figure 46.Port C Structure? 75
Port D . . . 76
Figure 47.Port D Structure? 76
POWER MANAGEMENT UNIT (PMU)?? 77
Stand-by Mode.77
Power-down Mode? 77
Figure 48.APD Unit?? 77
Table 62. Power-down Mode’s Effect on Ports? . 78
Figure 49.Enable Power-down Flow Chart? . . . . 79
PSD Chip Select Input (CSI, PD2)?? . . . . 79
Turbo Mode. . . 79
PMMR Registers?? . 80
Table 63. Power Management Mode Register PMMR0. 80
Table 64. Power Management Mode Register PMMR2. 80
RESET TIMING. . . . 81
Figure 50.Reset (RESET) Timing?? . 81
Table 65. Status During Power-on RESET, Warm RESET and Power-down Mode . . 81
IN SYSTEM PROGRAMMING (ISP)? 82
Table 66. JTAG Enable Register? 82
Table 67. Pin Descriptions for FlashLINK/RLINK Adapter Assembly? . 82
IN-APPLICATION PROGRAMMING (IAP)?? . . 84
Figure 51.Before IAP? . . . . 84
Figure 52.During IAP? . . . . 84
Figure 53.After IAP?? 84
DEVELOPMENT TOOLS?? . . . 85
Keil Software. . 85
Figure 54.Keil Software uVision2?? . 85
NOHAU In-Circuit Emulator? . . 86
Figure 55.NOHAU In-Circuit Emulator? . . . 86
DK3200 Development Board from ST?? . 87
Figure 56. 87
FlashLINK/RLINK JTAG ISP Cable? . . . . 88
Figure 57.Pinout for FlashLINK/RLINK Adapter and Target System . . 88
Figure 58.FlashLINK/RLINK Cable Assembly? . . 89
JTAG Gang Programmer? . . . . 89
Figure 59. 89
REVISION HISTORY? . . 89
Table 68. Document Revision History?? . . . 89