h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 449

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Legend:
X: Don’t care
Bit
1
0
Bit Name
CKE1
CKE0
Initial Value
0
0
Section 16 Serial Communication Interface (SCI, IrDA, and CRC)
R/W
R/W
R/W
Description
Clock Enable 1,0
These bits select the clock source and SCK pin
function.
Asynchronous mode
00: Internal clock
01: Internal clock
1X: External clock
Clocked synchronous mode
0X: Internal clock (SCK pin functions as clock
1X: External clock (SCK pin functions as clock
(SCK pin functions as I/O port.)
(Outputs a clock of the same frequency as the
bit rate from the SCK pin.)
(Inputs a clock with a frequency 16 times the bit
rate from the SCK pin.)
output.)
input.)
Rev. 3.00 Jan 25, 2006 page 397 of 872
REJ09B0286-0300