r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 540

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 25.2
(“H” when clock stops)
(“L” when clock stops)
(“L” when clock stops)
(“H” when clock stops)
• SSUMS = 0 (clock synchronous communication mode), CPHS bit = 0 (data change at odd
• SSUMS = 1 (4-wire bus communication mode) and CPHS = 0 (data change at odd edge)
• SSUMS = 1 (4-wire bus communication mode) and CPHS = 1 (data download at odd edge)
CPOS = 1
CPOS = 1
SSO, SSI
Association between Transfer Clock Polarity, Phase, and Transfer Data
CPOS = 0
CPOS = 0
SSO, SSI
edge), and CPOS bit = 0 (“H” when clock stops)
SSO, SSI
SCS
SCS
SSCK
SSCK
SSCK
SSCK
SSCK
CPHS and CPOS: Bits in SSMR register, SSUMS: Bit in SSMR2 register
b0
b0
b0
b1
b1
b1
b2
b2
b2
b3
25. Synchronous Serial Communication Unit (SSU)
b3
b3
b4
b4
b4
b5
b5
b5
b6
b6
b6
b7
b7
b7
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