
14-3
ML63326 User's Manual
Chapter 14 Shift Register (SFT)
14
(2) Shift register control registers (SFTCON0, SFTCON1)
SFTCON0 and SFTCON1 are 4-bit special function registers (SFRs) that control shift register
operation. At system reset both are initialized to "0".
—
SDIR
SELCK1
SELCK0
LSB/MSB first select
1 : MSB first (initial value)
0 : LSB first
SFTCON0 (0A2H)
(R/W)
bit 3
bit 2
bit 1
bit 0
Shift clock select
bit 1 bit 0
0 0 : CLK (initial value)
0 1 : 1/2 CLK
1 0 : Timer 1 overflow
1 1 : External clock
bit 2: SDIR
This bit selects the transfer order for 8-bit send/receive data.
When the SDIR bit is "0" it means MSB first, and when "1", LSB first.
bit 1, 0: SELCK1, SELCK0
These bits select the shift clock.
If set to CLK, 1/2 CLK or timer 1 overflow the system operates in master mode.
If set to external clock the system operates in slave mode.
—
—
—
ENTR
SFTCON1 (0A3H)
(R/W)
bit 3
bit 2
bit 1
bit 0
Transfer start flag
0 : Transfer end (initial value)
1 : Transfer start
bit 0: ENTR
When ENTR is set to "1", transfer starts, and when 8-bit transfer ends, it is
automatically set to "0".
Summary of Contents for ML63326
Page 3: ......
Page 13: ......
Page 14: ...Chapter 1 Overview 1 ...
Page 15: ......
Page 37: ...1 22 ML63326 User s Manual Chapter 1 Overview ...
Page 38: ...Chapter 2 CPU and Memory Spaces 2 ...
Page 39: ......
Page 50: ...CPU Control Functions Chapter 3 3 ...
Page 51: ......
Page 57: ...3 6 ML63326 User s Manual Chapter 3 CPU Control Functions ...
Page 58: ...Interrupt INT326 Chapter 4 4 ...
Page 59: ......
Page 71: ...4 12 ML63326 User s Manual Chapter 4 Interrupt INT326 ...
Page 72: ...Clock Generator Circuit OSC Chapter 5 5 ...
Page 73: ......
Page 83: ...5 10 ML63326 User s Manual Chapter 5 Clock Generator Circuit OSC ...
Page 84: ...Time Base Counter TBC Chapter 6 6 ...
Page 85: ......
Page 90: ...Timers TIMER Chapter 7 7 ...
Page 91: ......
Page 115: ...7 24 ML63326 User s Manual Chapter 7 Timers TIMER ...
Page 116: ...Chapter 8 8 100 Hz Timer Counter 100HzTC ...
Page 117: ......
Page 121: ...8 4 ML63326 User s Manual Chapter 8 100 Hz Timer Counter 100HzTC ...
Page 122: ...Chapter 9 9 Watchdog Timer WDT ...
Page 123: ......
Page 128: ...Chapter 10 10 Ports INPUT OUTPUT I O PORT ...
Page 129: ......
Page 170: ...Chapter 11 11 External Memory Transfer Function EXTMEM ...
Page 171: ......
Page 179: ...11 8 ML63326 User s Manual Chapter 11 External Memory Transfer Function EXTMEM ...
Page 180: ...Chapter 12 12 Melody Driver MELODY63K ...
Page 181: ......
Page 195: ...12 14 ML63326 User s Manual Chapter 12 Melody Driver MELODY63K ...
Page 196: ...13 Chapter 13 Voice Synthesis ...
Page 197: ......
Page 228: ...14 Chapter 14 Shift Register SFT ...
Page 229: ......
Page 236: ...15 Chapter 15 LCD Driver LCD ...
Page 237: ......
Page 250: ...16 Chapter 16 Battery Low Detect Circuit BLD ...
Page 251: ......
Page 255: ...16 4 ML63326 User s Manual Chapter 16 Battery Low Detect Circuit BLD ...
Page 256: ...Chapter 17 17 Power Supply Circuit POWER ...
Page 257: ......
Page 260: ...Appendixes ...
Page 261: ......
Page 321: ...Appendix 60 ML63326 User s Manual Appendix G ...