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Section 10 Serial Communication Interface
Rev. 6.00 Sep 12, 2006 page 281 of 526
REJ09B0326-0600
Bits 2 to 0
Clock Select (CKS2 to CKS 0):
When CKS3 = 0, bits 2 to 0 select the prescaler
division ratio and the serial clock cycle.
Serial
Clock
Cycle
Bit 2: CKS2 Bit 1: CKS1 Bit 0: CKS0 Prescaler Division
φφφφ
= 5 MHz
φφφφ
= 2.5 MHz
0 0 0
φ
/1024
(initial value)
204.8 µs
409.6 µs
1
φ
/256
51.2 µs
102.4 µs
1 0
φ
/64
12.8 µs
25.6 µs
1
φ
/32
6.4 µs
12.8 µs
1 0 0
φ
/16
3.2 µs
6.4 µs
1
φ
/8
1.6 µs
3.2 µs
1 0
φ
/4
0.8 µs
1.6 µs
1
φ
/2
0.8
µs
Serial Control/Status Register 1 (SCSR1)
Bit
7 6 5 4 3 2 1 0
SOL
ORER
MTRF STF
Initial
value 1 0 0 1 1 1 0 0
Read/Write
R/W
R/(W)
*
R R/W
Note:
*
Only a write of 0 for flag clearing is possible.
SCSR1 is an 8-bit register indicating operation status and error status.
Upon reset, SCSR1 is initialized to H'9C.
Bit 7
Reserved Bit:
Bit 7 is reserved; it is always read as 1, and cannot be modified.
Summary of Contents for F-ZTAT H8/3642A Series
Page 6: ...Rev 6 00 Sep 12 2006 page iv of xx ...
Page 8: ...Rev 6 00 Sep 12 2006 page vi of xx ...
Page 22: ...Rev 6 00 Sep 12 2006 page xx of xx ...
Page 124: ...Section 5 Power Down Modes Rev 6 00 Sep 12 2006 page 102 of 526 REJ09B0326 0600 ...
Page 188: ...Section 6 ROM Rev 6 00 Sep 12 2006 page 166 of 526 REJ09B0326 0600 ...
Page 190: ...Section 7 RAM Rev 6 00 Sep 12 2006 page 168 of 526 REJ09B0326 0600 ...
Page 298: ...Section 9 Timers Rev 6 00 Sep 12 2006 page 276 of 526 REJ09B0326 0600 ...
Page 378: ...Section 12 A D Converter Rev 6 00 Sep 12 2006 page 356 of 526 REJ09B0326 0600 ...
Page 446: ...Section 13 Electrical Characteristics Rev 6 00 Sep 12 2006 page 424 of 526 REJ09B0326 0600 ...