Rev. 5.00, 09/03, page 500 of 760
Table 15.7
Maximum Bit Rates for Frequencies (Smart Card Interface Mode)
P
φφφφ
(MHz)
Maximum Bit Rate (Bits/s)
N
n
7.1424
9600
0
0
10.00
13441
0
0
10.7136
14400
0
0
13.00
17473
0
0
14.2848
19200
0
0
16.00
21505
0
0
18.00
24194
0
0
The bit rate error is found as follows:
Error (%) = (
×
10
6
−
1)
×
100
1488
×
2
2n
−
1
×
B
×
(N + 1)
P
φ
Table 15.8 shows the relationship between transmit/receive clock register set values and output
states on the smart card interface.
Table 15.8
Register Set Values and SCK Pin
Register Value
SCK Pin
Setting
SMIF
C/
A
A
A
A
CKE1
CKE0
Output
State
1
*
1
1
0
0
0
Port
Determined by setting of port
register SCP1MD1 and
SCP1MD0 bits
1
0
0
1
SCK (serial clock) output state
2
*
2
1
1
0
0
Low output
Low output state
1
1
0
1
SCK (serial clock) output state
3
*
2
1
1
1
0
High output
High output state
1
1
1
1
SCK (serial clock) output state
Notes: 1. The SCK output state changes as soon as the CKE0 bit is modified. The CKE1 bit
should be cleared to 0.
2. The clock duty remains constant despite stopping and starting of the clock by
modification of the CKE0 bit.
Summary of Contents for SH7709S
Page 2: ......
Page 44: ...Rev 5 00 09 03 page xliv of xliv ...
Page 62: ...Rev 5 00 09 03 page 18 of 760 ...
Page 128: ...Rev 5 00 09 03 page 84 of 760 ...
Page 146: ...Rev 5 00 09 03 page 102 of 760 ...
Page 224: ...Rev 5 00 09 03 page 180 of 760 ...
Page 246: ...Rev 5 00 09 03 page 202 of 760 ...
Page 266: ...Rev 5 00 09 03 page 222 of 760 ...
Page 370: ...Rev 5 00 09 03 page 326 of 760 ...
Page 432: ...Rev 5 00 09 03 page 388 of 760 ...
Page 532: ...Rev 5 00 09 03 page 488 of 760 ...
Page 598: ...Rev 5 00 09 03 page 554 of 760 ...
Page 630: ...Rev 5 00 09 03 page 586 of 760 ...
Page 656: ...Rev 5 00 09 03 page 612 of 760 ...
Page 684: ...Rev 5 00 09 03 page 640 of 760 ...
Page 700: ...Rev 5 00 09 03 page 656 of 760 ...
Page 758: ...Rev 5 00 09 03 page 714 of 760 ...
Page 807: ...SH7709S Group Hardware Manual REJ09B0081 0500O ADE 602 250C ...