Datasheet
Table Of Contents
- 1. Overview
- 2. Central Processing Unit (CPU)
- 3. Memory
- 4. Special Function Registers (SFRs)
- 5. Electrical Characteristics
- Package Dimensions

A - 2
REVISION HISTORY R8C/18 Group, R8C/19 Group Datasheet
1.20 Nov 01, 2005 16 Table 4.1 SFR Information(1);
0009h: “XXXXXX00b” → “00h”
000Ah: “00XXX000b” → “00h”
001Eh: “XXXXX000b” → “00h” revised
18 Table 4.3 SFR Information(3);
0085h: “Prescaler Z” → “Prescaler Z Register”
0086h: “Timer Z Secondary” → “Timer Z Secondary Register”
0087h: “Timer Z Primary” → “Timer Z Primary Register”
008Ch: “Prescaler X” → “Prescaler X Register”
008Dh: “Timer X” → “Timer X Register”
0090h, 0091h:“Timer C” → “Timer C Register” revised
22 Table 5.4 Flash Memory (Program ROM) Electrical Characteristics;
NOTES 3 and 5 revised, NOTE8 deleted
23
T
able 5.5 Flash Memory (Data flash Block A, Block B) Electrical
Characteristics;
NOTES 1 and 3 revised
25 Table 5.8 Reset Circuit Electrical Characteristics (When Using Voltage
Monitor 1 Reset); NOTE 2 revised
26 Table 5.10 High-speed On-Chip Oscillator Circuit Electrical
Characteristics;
“High-Speed On-Chip Oscillator ...” →
“High-Speed On-Chip Oscillator Frequency ...” revised
NOTE 2, 3 added
28 Table 5.13 Electrical Characteristics (2) [Vcc = 5V];
NOTE 1 deleted
32 Table 5.20 Electrical Characteristics (4) [Vcc = 3V];
NOTE 1 deleted
1.30 Dec 16, 2005 − Products of PWQN0028KA-B package included
5, 6 Table 1.3, Table 1.4 revised
24 Table 5.4 Flash Memory (Program ROM) Electrical Characteristics;
Ta →
Ambient temperature
25 Table 5.5 Flash Memory (Data flash Block A, Block B) Electrical
Characteristics; Ta →
Ambient temperature
30, 34 Table 5.13, Table 5.20; The title revised, Condition of Stop Mode added
32, 36 Table 5.17, Table 5.24; td(C-Q) and tsu(D-C) revised
37, 38 Package Dimensions revised
1.40 Apr 14, 2006 2, 3 Table 1.1, Table 1.2;
Interrupts: Internal 8 → 10 sources,
5, 6 Table 1.3, Table 1.4; Type No. added, deleted
16, 17 Figure 3.1, Figure 3.2; Part Number added, deleted
24, 25
Table 5.4, Table 5.5;
Conditions: VCC = 5.0 V at Topr = 25
°C
deleted
Rev. Date
Description
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