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R8C/20 Group, R8C/21 Group Hardware Manual
Rev. Date
Description
Page Summary
0.10 Sep 29, 2005 − First Edition issued
0.20 Jun 28, 2006 All pages • Symbol name revised.
“SSUAIC” → “SSUIC”, “IIC2AIC” → “IICIC”, “TRDMDR” → “TRDMR”
• Bit Symbol name revised.
“TSTOP0” → “CSEL0” in the TRDSTR register
“TSTOP1” → “CSEL1” in the TRDSTR register
“TPSC0” → “TCK0” in the TRDCRi register (i=0 or 1)
“TPSC1” → “TCK1” in the TRDCRi register (i=0 or 1)
“TPSC2” → “TCK2” in the TRDCRi register (i=0 or 1)
• Pin name revised.
“TCLK” → “TRDCLK”
• Register name revised.
“Timer RE Comparison Reigster” → “Timer RE Compare Data Register”
1 1. Overview, on the 5th and 6th lines;
“data flash” added.
2 Table 1.1 Functions and Specifications for R8C/20 Group revised
3 Table 1.2 Functions and Specifications for R8C/21 Group revised
4 Figure 1.1 Block Diagram;
“System Clock Generation” → “System clock generation circuit”
revised
5 Table 1.3 Product Information of R8C/20 Group revised.
Figure 1.2 Type Number, Memory Size, and Package of R8C/20 Group
revised.
6 Table 1.4 Product Information of R8C/21 Group revised
Figure 1.3 Type Number, Memory Size, and Package of R8C/21 Group
revised.
7 Figure 1.4 Pin Assignments (Top View);
“TCLK” → “TRDCLK” revised
8 Table 1.5 Pin Functions;
“Analog Power Supply Input” revised
9 Table 1.6 Pin Name Information by Pin Number revised.
NOTE added.
11 2.8.1 Carry Flag (C)
“2.8.1 Carry Flag (C Flag)” → “2.8.1 Carry Flag (C)” revised.
2.8.2 Debug Flag (D)
“2.8.2 Debug Flag (D Flag)” → “2.8.2 Debug Flag (D)” revised.
2.8.3 Zero Flag (Z)
“2.8.3 Zero Flag (Z Flag)” → “2.8.3 Zero Flag (Z)” revised.
2.8.4 Sign Flag (S)
“2.8.4 Sign Flag (S Flag)” → “2.8.4 Sign Flag (S)” revised.
2.8.5 Register Bank Select Flag (B)
“2.8.5 Rgister Bank Select Flag (B Flag)” → “2.8.5 Register Bank
Select Flag (B)” revised.
2.8.6 Overflow Flag (O)
“2.8.6 Overflow Flag (O Flag)” → “2.8.6 Overflow Flag (O)” revised.
REVISION HISTORY
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