8 ELECTRICAL CHARACTERISTICS
A-78
EPSON
S1C33L03 PRODUCT PART
8.6
AC Characteristics
8.6.1
Symbol Description
t
CYC
: Bus-clock cycle time
• In x1 mode,
t
CYC
= 50 ns (20 MHz) when the CPU is operated with a 20-MHz clock
t
CYC
= 30 ns (33 MHz) when the CPU is operated with a 33-MHz clock
• In x2 mode,
t
CYC
= 50 ns (20 MHz) when the CPU is operated with a 40-MHz clock
t
CYC
= 40 ns (25 MHz) when the CPU is operated with a 50-MHz clock
t
CYC
= 33 ns (30 MHz) when the CPU is operated with a 60-MHz clock
WC: Number of wait cycles
Up to 7 cycles can be set for the number of cycles using the BCU control register. Furthermore, it can be
extended to a desired number of cycles by setting the #WAIT pin from outside of the IC.
The minimum number of read cycles with no wait (0) inserted is 1 cycle.
The minimum number of write cycles with no wait cycle (0) inserted is 2 cycles. It does not change even if
1-wait cycle is set. The write cycle is actually extended when 2 or more wait cycles are set.
When inserting wait cycles by controlling the #WAIT pin from outside of the IC, pay attention to the
timing of the #WAIT signal sampling. Read cycles are terminated at the cycle in which the #WAIT signal
is negated. Write cycles are terminated at the following cycle after the #WAIT signal is negated.
C1, C2, C3, Cn: Cycle number
C1 indicates the first cycle when the BCU transfers data from/to an external memory or another device.
Similarly, C2 and Cn indicate the second cycle and nth cycle, respectively.
Cw: Wait cycle
Indicates that the cycle is wait cycle inserted.
8.6.2
AC Characteristics Measurement Condition
Signal detection level:
Input signal
High level
V
IH
= V
DDE
- 0.4 V
Low level
V
IL
= 0.4 V
Output signal
High level
V
OH
= 1/2 V
DDE
Low level
V
OL
= 1/2 V
DDE
The following applies when OSC3 is external clock input:
Input signal
High level
V
IH
= 1/2 V
DD
Low level
V
IL
= 1/2 V
DD
Input signal waveform:
Rise time (10%
→
90% V
DD
) 5 ns
Fall time (90%
→
10% V
DD
)
5 ns
Output load capacitance: C
L
= 50 pF
Summary of Contents for CMOS 32-Bit Single Chip Microcomputer S1C33L03
Page 4: ......
Page 14: ......
Page 15: ...S1C33L03 PRODUCT PART ...
Page 16: ......
Page 147: ...S1C33L03 FUNCTION PART ...
Page 148: ......
Page 149: ...S1C33L03 FUNCTION PART I OUTLINE ...
Page 150: ......
Page 152: ...I OUTLINE INTRODUCTION B I 1 2 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 162: ...I OUTLINE LIST OF PINS B I 3 8 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 163: ...S1C33L03 FUNCTION PART II CORE BLOCK ...
Page 164: ......
Page 166: ...II CORE BLOCK INTRODUCTION B II 1 2 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 172: ...II CORE BLOCK CPU AND OPERATING MODE B II 2 6 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 176: ...II CORE BLOCK INITIAL RESET B II 3 4 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 224: ...II CORE BLOCK BCU Bus Control Unit B II 4 48 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 262: ...II CORE BLOCK DBG Debug Unit B II 7 2 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 263: ...S1C33L03 FUNCTION PART III PERIPHERAL BLOCK ...
Page 264: ......
Page 266: ...III PERIPHERAL BLOCK INTRODUCTION B III 1 2 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 322: ...III PERIPHERAL BLOCK WATCHDOG TIMER B III 5 4 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 415: ...S1C33L03 FUNCTION PART IV ANALOG BLOCK ...
Page 416: ......
Page 418: ...IV ANALOG BLOCK INTRODUCTION B IV 1 2 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 434: ...IV ANALOG BLOCK A D CONVERTER B IV 2 16 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 435: ...S1C33L03 FUNCTION PART V DMA BLOCK ...
Page 436: ......
Page 438: ...V DMA BLOCK INTRODUCTION B V 1 2 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 492: ...V DMA BLOCK IDMA Intelligent DMA B V 3 18 EPSON S1C33L03 FUNCTION PART THIS PAGE IS BLANK ...
Page 493: ...S1C33L03 FUNCTION PART VI SDRAM CONTROLLER BLOCK ...
Page 494: ......
Page 531: ...S1C33L03 FUNCTION PART VII LCD CONTROLLER BLOCK ...
Page 532: ......
Page 579: ...S1C33L03 FUNCTION PART Appendix I O MAP ...
Page 580: ......