R5F21191SP#U0 Renesas Electronics America, R5F21191SP#U0 Datasheet - Page 254

• Manufacturer Part Number: R5F21191SP#U0
• Description: IC R8C MCU FLASH 8K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/19r

Specifications of R5F21191SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x1b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521174CPE10 - EMULATOR COMPACT R8C/18/19/1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Rev.
1.20
REVISION HISTORY
Nov 01, 2005
Date
Page
18
36
37
51
52
56
60
62
67
68
69
70
84
Table 4.3 SFR Information(3);
Table 6.16 Port XIN/P4_6, XOUT/P4_7 Setting;
Table 6.18 Unassigned Pin Handling, Figure 6.9 Unassigned Pin
Handling;
Table 9.2 Bus Cycles for Access Space of the R8C/1B (19) Group
added, Table 9.3 Access Unit and Bus Operation;
Table 10.1 Specification of Clock Generation Circuit;
Figure 10.4 OCD Register;
10.2.1 Low-speed On-Chip Oscillator Clock;
10.2.2 High-Speed On-Chip Oscillator Clock;
Table 10.2 Setting and Mode of Clock Associated Bit;
10.5.1 How to Use Oscillation Stop Detection Function;
Figure 10.9 Procedure of Switching Clock Source From Low-Speed On-
Chip Oscillator to Main Clock revised
10.6.2 Oscillation Stop Detection Function;
10.6.4 High-Speed On-Ship Oscillator Clock added.
Figure 11.1 PRCR Register;
Figure 12.11 INTEN and INT0F Registers;
0085h:
0086h:
0087h:
008Ch:
008Dh:
0090h, 0091h: “Timer C” → “Timer C Register” revised
Setting value
CM1: “1” → “0”, CM0: “0” → “1”, Feedback resistance: “OFF” → “ON”,
“Port P4_2, P4_6, P4_7” → “Port P4_6, P4_7”
“VREF” → “Port P4_2/VREF” revised
“SFR” → “SFR, Data flash”,
“ROM/RAM” → “ROM (Program ROM), RAM” revised
Note 2: deleted
Note 3: partly deleted
“The application products ... to accommodate the frequency range.” →
“The application products ... for the frequency change.” revised
“The high-speed on-chip oscillator frequency ... for details.” added
Medium-speed Mode/devide-by-16: “00b”” → “11b”
High-speed,... Mode/devide-by-2: “00b”” → “01b”
CM13 added
“This function cannot ... is 2 MHz or below.” →
“This function cannot be ... is below 2 MHz.” revised
“Since the oscillation ...frequency is 2MHz or below, ...” →
“Since the oscillation ...frequency is below 2MHz, ...” revised
After Reset: “XXXXX000b”” → “00h” revised
After Reset: “XXXXX000b”” → “00h” revised
R8C/18 Group, R8C/19 Group Hardware
C - 4
“Prescaler Z” → “Prescaler Z Register”
“Timer Z Secondary” → “Timer Z Secondary Register”
“Timer Z Primary” → “Timer Z Primary Register”
“Prescaler X” → “Prescaler X Register”
“Timer X” → “Timer X Register”
Description
Summary