
4. Difference of Emulator MCU
Emulator MCU
Standard version
Emulator MCU
A version
Oscillation circuit constants
The oscillation circuit constants of X IN -X OUT , X CIN -X COUT will depend on each product.
Input voltage of X IN [V]
Termination of Xout pin,
using externally generated clock
Sub-clock
Power supply(Vcc) /
Main-clock input oscillation frequency
Circuit dtructure of I/O port
P3 5 , P3 6 , P5 5 , P5 6 , P5 7
V IH : Min. 1.5, Max.Vcc
V IL : Min. 0 , Max. 0.4
Pull-up
External quartz-crystal oscillator or
Externally generated clock
See MASK ROM version of
6.1. and 6.3.section
See 3.section
V IH : Min. 0.8Vcc , Max. Vcc
V IL : Min. 0 , Max. 0.2Vcc
Open
External quartz-crystal oscillator
See MASK ROM version of
6.2. and 6.4. section
Value of internal pull-up register (Typ.)
Vcc = 5V
59k ?
Vcc = 5V
42k ?
Timer X,Y input frequency (Max.)
f(CNTR 0 ),f(CNTR 1 )
Timer X,Timer Y,Timer1,Timer 2,Timer 3
and Timer 4 Clock input frequency (Max.)
f(Tclk)
1.8<=Vcc<=4.0V : (4 x Vcc - 4)/3 MHz
4.0<=Vcc<=5.5V : 4 MHz
1.8<=Vcc<=4.0V : (8 x Vcc - 8)/3 MHz
4.0<=Vcc<=5.5V : 8 MHz
1.8<=Vcc<=4.0V : (Vcc) MHz
4.0<=Vcc<=4.5V : (2 x Vcc - 4) MHz
4.5<=Vcc<=5.5V : 5 MHz
1.8<=Vcc<=4.0V : (2 x Vcc) MHz
4.0<=Vcc<=4.5V : (4 x Vcc - 8) MHz
4.5<=Vcc<=5.5V : 10 MHz
How to discriminate between standard version and A version?
In Emulator MCU M38C29RLFS, standard version’s name and A version’s name are the same.
It is possible to discriminate with the prefix of product number.
Standard version : 0XXXXXX, 1XXXXXX, 2XXXXXX
A version
: except the above number
Code : Difference of 38C2 Group Rev. 1.00 Date : Sep.8, 2003
Page : 7 of 12