M16C30P Datasheet, PDF (43/57 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/30P Group
5. Electrical Characteristics
VCC1=VCC2=3V
Timing Requirements
(VCC1 = VCC2 = 3V, VSS = 0V, at Topr = −20 to 85°C / −40 to 85°C unless otherwise specified)
Table 5.29 External Clock Input (XIN input)
Symbol
Parameter
tc
External Clock Input Cycle Time
tw(H)
External Clock Input HIGH Pulse Width
tw(L)
External Clock Input LOW Pulse Width
tr
External Clock Rise Time
tf
External Clock Fall Time
NOTES:
1. The condition is VCC1=VCC2=2.7 to 3.0V.
2. Calculated according to the VCC1 voltage as follows:
---------------1---0----^–--⁶--------------- [ns]
20 × VCC1 – 44
3. Calculated according to the VCC1 voltage as follows:
---------------1---0----^–--⁶---------------
20 × VCC1 – 44
×
0.4
[ns]
4. Calculated according to the VCC1 voltage as follows:
–10 × VCC1 + 45 [ns]
Standard
Unit
Min.
Max.
(NOTE 2)
ns
(NOTE 3)
ns
(NOTE 3)
ns
(NOTE 4)
ns
(NOTE 4)
ns
Table 5.30 Memory Expansion Mode and Microprocessor Mode
Symbol
Parameter
tac1(RD-DB) Data Input Access Time (for setting with no wait)
tac2(RD-DB) Data Input Access Time (for setting with wait)
tsu(DB-RD)
Data Input Setup Time
tsu(RDY-BCLK) RDY Input Setup Time
tsu(HOLD-BCLK) HOLD Input Setup Time
th(RD-DB)
Data Input Hold Time
th(BCLK-RDY) RDY Input Hold Time
th(BCLK-HOLD) HOLD Input Hold Time
Standard
Unit
Min.
Max.
(NOTE 1)
ns
(NOTE 2)
ns
50
ns
40
ns
50
ns
0
ns
0
ns
0
ns
NOTES:
1. Calculated according to the BCLK frequency as follows:
f-0--(^{--.B-5----Cx----1L---0-K--9---}) ^{– 60[ns]}
2. Calculated according to the BCLK frequency as follows:
-⁽--n----f-^–-₍--B-0----.C-5----L⁾---x-K--1--₎-0----9-- – 60[ns]
n is ”2” for 1-wait setting.
Rev.1.22 Mar 30, 2007 Page 43 of 53
REJ03B0088-0122