R5F21254SNFP#U0 Renesas Electronics America, R5F21254SNFP#U0 Datasheet - Page 55
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R5F21254SNFP#U0
Manufacturer Part Number
R5F21254SNFP#U0
Description
IC R8C MCU FLASH 16K 52LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21246SDFPU0.pdf
(61 pages)
3.R5F21246SDFPU0.pdf
(527 pages)
Specifications of R5F21254SNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
52-LQFP
For Use With
R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Rev.
0.10
0.20
0.30
REVISION HISTORY
Sep 01, 2005
Feb 24, 2005
Mar 8, 2005
Date
13, 14
1 to 3
5 to 7
Page
5, 6
2, 3
2, 3
5, 6
15
17
19
20
15
8
9
8
4
Pin type changed: 48-pin(under consideration) → 52-pin.
Package type revised: 48-pin LQFP (under consideration) →
PLQP0052JA-A
Table 1.5 TCLK added, VREF revised.
Table 1.6 revised.
Figures 3.1 and 3.2 part number revised.
Tabel 4.1 revised:
- 000Fh: 000XXXXXb → 00011111b
- 0023h: FR0 → FRA0
- 0024h: FR1 → FRA1
- 0025h: FR2 → FRA2
- 0031h: Voltage Detection A Register 1, VC1
- 0032h: Voltage Detection A Register 2, VC2
Tabel 4.3 Register name and the value after reset at 00B8h to 00BFh
revised; NOTE2 added.
Tabel 4.5 revised:
- 0107h: LINSR → LINST
- 0137h to 013Fh: Register symbol revised
Tabel 4.6 revised:
- 0140h to 015Fh: Register symbol revised
- 0158h, 0159h: Timer RD General Register → Timer RD General Register
A1
Tables 1.1, 1.2 and 1.5 revised: “main clock” → “XIN clock”; “sub clock”
→ “XCIN clock”
- 0023h to 0025h: 40MHz On-Chip Oscillator Control Register
Table 1.1 R8C/24 Group Performance, Table 1.2 R8C/25 Group
Performance
• Serial Interface revised:
Figure 1.1 Block Diagram
• UART or Clock Synchronous Serial Interface: “(8 bits × 1 channel)” →
• UART (8 bits × 1 channel) deleted
Table 1.3 Product Information of R8C/24 Group, Table 1.4 Product
Information of R8C/25 Group
“Flash Memory Version” → “N Version” revised
“(8 bits × 2 channels)” revised
- Serial Interface: 2 channels Clock synchronous serial I/O, UART
- Clock Synchronous Serial Interface: 1 channel
I
2
C bus Interface
→ Voltage Detection Register 1, VCA1
→ Voltage Detection Register 2, VCA2
→ High-Speed On-Chip Oscillator Control Register
R8C/24 Group, R8C/25 Group Datasheet
A - 2
(1)
, Clock synchronous serial I/O with chip select
Description
Summary