
ReViSiOn hiSTORY
Code no.
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Contents
411914901 29-13, 29-14 Electrical characteristics: RFC reference/sensor oscillation current consumption-frequency characteristic
(Old) R
REF
/R
SEN
= 100k
W
, C
REF
/C
SEN
= 1000pF, Typ. value
(New) C
REF
/C
SEN
= 1000pF, Typ. value
30-1
Basic external connection diagram: Buzzer circuit and OSC3 oscillator circuit
Modified the figure
AP-B-1
Power saving: System SLEEP
(Old) • Execute the slp instruction
Execute the slp instruction when the entire system ... startup using a port or RTC (described later).
(New) • Execute the slp instruction
To stop the entire system, execute the slp instruction ... an RTC interrupt as well as a port interrupt.
AP-B-2
Power saving: Peripheral clock (PCLK)
(Old) Peripheral circuits that use PCLK ...
• A/D converter (ADC10)
(New) Peripheral circuits that use PCLK ...
• A/D converter (ADC10)
• Interrupt controller (ITC) (PCLK is used only when the register is set.)
Power saving: Clock control list
Modified Table B.1.1
AP-B-2
Power saving: HALT and SLEEP mode cancelation methods (CPU startup method)
(Old) 1. Startup by port or RTC ...
3. Startup by PCLK peripheral circuit
Started up by a PCLK peripheral circuit interrupt.
(New) 1. Startup by port ...
2. Startup by RTC (S1C17624/604) ...
4. Startup by PCLK peripheral circuit
Started up by a PCLK peripheral circuit interrupt.
AP-D-1
Initialization routine
(Old) Xld.a %sp, 0x0f00
...(4)
(New) Xld.a %sp, 0x0f00
; S1C17622/602
...(4)
;Xld.a %sp, 0x1f00
; S1C17624/604
AP-E-1
Recommended resonators: Recommended resonators for S1C17624/604/622
- (4) C
G3
/C
D3
/R
D3
/R
F3
recommended values
Modified the table
AP-E-2
Recommended resonators: Recommended resonators for S1C17602/621
(Old) No description
(New) (4) C
G3
/C
D3
/R
D3
/R
F3
recommended values ...
*
The values enclosed with ( ) are the built-in capacitances of the resonator.
411914902
3-6
IRAM Size Select Register (MISC_IRAMSZ)
(Old) S1C17602: IRAMSZ[2:0] 0x3/0x2 -> 2KB/4KB
(New) S1C17602: IRAMSZ[2:0] 0x3/0x2 -> reserved
3-7
IRAM Size Select Register (MISC_IRAMSZ)
(Old) S1C17621: IRAMSZ[2:0] 0x3 -> 2KB
(New) S1C17621: IRAMSZ[2:0] 0x3 -> reserved
Table 3.3.1.2 Selecting internal RAM Size
(Old) S1C17602: IRAMSZ[2:0] 0x3/0x2 -> 2KB/4KB
S1C17621: IRAMSZ[2:0] 0x3 -> 2KB
(New) S1C17602: IRAMSZ[2:0] 0x3/0x2 -> reserved
S1C17621: IRAMSZ[2:0] 0x3 -> reserved
Add Notice
AP-A-23
IRAM Size Select Register (MISC_IRAMSZ)
(Old) S1C17602: IRAMSZ[2:0] 0x3/0x2 -> 2KB/4KB
S1C17621: IRAMSZ[2:0] 0x3 -> 2KB
(New) S1C17602: IRAMSZ[2:0] 0x3/0x2 -> reserved
S1C17621: IRAMSZ[2:0] 0x3 -> reserved
411914803
1-1
Features: Clock generator - OSC1 oscillator circuit
(Old) Supports an external clock input.
(New) Deleted
3-2
Memory map
Mofified Figures 3.2–3.3
3-5
Memory Map: Protect Bits
Modified the Flash Protect Bits (S1C17622/602) and Flash Protect Bits (S1C17621) tables
Memory map: Protect Bits
(Old) Notes: ...
• Be sure to set D0 of address 0x27ffe (S1C17624/604), 0x17ffe (S1C17622/602), or 0xfffe
(S1C17621) to 1. If it is set to 0, the program cannot be booted.
(New) Notes: ...
• Be sure to set D0 of address 0x27ffe (S1C17624/604/622) or 0x17ffe (S1C17602/621) to 1. If it is
set to 0, the program cannot be booted.